This removes the POILogger and POILogFactory mechanism for logging. This mechanism was created at a time when the Java landscape looked very different than it does today.

Log4j 2 is an Apache Foundation project that is well maintained and is widely regarded as having good performance and capabilities. We use only the Log4j API artifact. This lets application developers choose how they want to capture logging events if at all. Integrations with Log4j 2 Core and Logback are available from the Log4j project.

Closes #224

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constant name to match the regular expression '^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$'
reorder "final static" -> "static final"

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a few more HSSF / Old Excel classes

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Very interesting was the exception swallowing in PackagePropertiesPart. When it was properly thrown, it already led to various errors in the junits test - I've fixed the handling for at least the ones which are in our test set

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  r700005 | josh | 2008-09-29 00:27:14 -0700 (Mon, 29 Sep 2008) | 1 line
  
  Fix for bug 45890 - made HSSFSheet.shiftRows also update conditional formats
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  r700203 | josh | 2008-09-29 11:43:53 -0700 (Mon, 29 Sep 2008) | 1 line
  
  Refactoring row-blocks record reading logic in Sheet
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  r700204 | josh | 2008-09-29 11:48:43 -0700 (Mon, 29 Sep 2008) | 1 line
  
  Should have been submitted with c700203 (Refactoring row-blocks record reading logic in Sheet)
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  r687403 | nick | 2008-08-20 19:14:11 +0100 (Wed, 20 Aug 2008) | 1 line
  
  Make an initial start on hpbf code
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  r687423 | nick | 2008-08-20 19:50:15 +0100 (Wed, 20 Aug 2008) | 1 line
  
  More HPBF stuff, and some tests
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  r687429 | nick | 2008-08-20 20:40:05 +0100 (Wed, 20 Aug 2008) | 1 line
  
  Quill CONTENTS bits, and tests
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  r687443 | nick | 2008-08-20 21:13:08 +0100 (Wed, 20 Aug 2008) | 1 line
  
  HPBF text extractor and unit tests
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  r688426 | josh | 2008-08-23 23:47:51 +0100 (Sat, 23 Aug 2008) | 1 line
  
  Fix for bug 45672 - prevent MissingRecordAwareHSSFListener generating multiple LastCellOfRowDummyRecords when shared formulas are present
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  r688642 | josh | 2008-08-25 08:56:37 +0100 (Mon, 25 Aug 2008) | 1 line
  
  JDK 1.4 fixes for new hpbf stuff. Some clean-up
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  r688650 | josh | 2008-08-25 09:09:02 +0100 (Mon, 25 Aug 2008) | 1 line
  
  Initial support for evaluating external add-in functions like YEARFRAC
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  r688655 | josh | 2008-08-25 09:30:54 +0100 (Mon, 25 Aug 2008) | 1 line
  
  Fix for bug 45682 - allow cloning of sheets with conditional formatting
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  r688825 | josh | 2008-08-25 19:57:14 +0100 (Mon, 25 Aug 2008) | 1 line
  
  Fix for small bug introduced in c688655 - keep header field in sync with number of rules
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  r688910 | josh | 2008-08-25 23:41:08 +0100 (Mon, 25 Aug 2008) | 1 line
  
  Replaced calls to deprecated versions of createCell(), getCell(), createRow(), and getRow(). (Changing short to int)
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  r683023 | josh | 2008-08-06 00:03:33 +0100 (Wed, 06 Aug 2008) | 1 line
  
  Fix JDK 1.4 compilation (after r682511 /bug 45538)
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  r683081 | josh | 2008-08-06 02:39:44 +0100 (Wed, 06 Aug 2008) | 1 line
  
  refactoring aggregate records to a separate hierarchy. just starting
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  r683093 | josh | 2008-08-06 04:06:18 +0100 (Wed, 06 Aug 2008) | 1 line
  
  should have been submitted with r683081
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  r683096 | josh | 2008-08-06 04:23:10 +0100 (Wed, 06 Aug 2008) | 1 line
  
  should have been submitted with r683081
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  r683128 | josh | 2008-08-06 07:20:59 +0100 (Wed, 06 Aug 2008) | 1 line
  
  removed TODO comment and formatted
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  r683132 | josh | 2008-08-06 07:27:39 +0100 (Wed, 06 Aug 2008) | 1 line
  
  Partial fix for bug 45570 - Converted instance BitField fields to static 
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  r683167 | josh | 2008-08-06 09:42:40 +0100 (Wed, 06 Aug 2008) | 1 line
  
  Added conditional format records to BiffViewer
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  r680530 | nick | 2008-07-28 23:10:07 +0100 (Mon, 28 Jul 2008) | 1 line
  
  Some work on bug #45466 - Partial support for removing excel comments (won't work for all excel versions yet)
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  r680853 | nick | 2008-07-29 22:40:47 +0100 (Tue, 29 Jul 2008) | 1 line
  
  Support for creating new HSLF CurrentUserAtoms
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  r681530 | josh | 2008-07-31 23:44:48 +0100 (Thu, 31 Jul 2008) | 1 line
  
  Fix for bug 45519 - keep data validation records together
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  r681572 | josh | 2008-08-01 02:04:28 +0100 (Fri, 01 Aug 2008) | 1 line
  
  Small update for c681530 bug 45519
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  r682225 | josh | 2008-08-03 23:11:26 +0100 (Sun, 03 Aug 2008) | 1 line
  
  Extensive fixes for data validation (bug 44953)
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  r682227 | josh | 2008-08-03 23:15:46 +0100 (Sun, 03 Aug 2008) | 1 line
  
  should have been submitted with c682225 - Extensive fixes for data validation (bug 44953)
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  r682229 | josh | 2008-08-03 23:49:58 +0100 (Sun, 03 Aug 2008) | 1 line
  
  fixed BiffViewer to add some missing record types. Formatted switch/case for readability
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  r682230 | josh | 2008-08-04 00:13:17 +0100 (Mon, 04 Aug 2008) | 1 line
  
  Small tweaks for data validation (bug 44953)
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  r682282 | josh | 2008-08-04 09:00:11 +0100 (Mon, 04 Aug 2008) | 1 line
  
  Consolidating various duplicates of CellRangeAddress
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  r682336 | yegor | 2008-08-04 12:40:25 +0100 (Mon, 04 Aug 2008) | 1 line
  
  support for headers / footers in HSLF
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  r642878 | josh | 2008-03-31 06:10:35 +0100 (Mon, 31 Mar 2008) | 1 line
  
  More work on Conditional Formatting (bug 30311) junit and fixes from Dmitriy. Some other clean-up.
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  r642880 | josh | 2008-03-31 06:19:00 +0100 (Mon, 31 Mar 2008) | 1 line
  
  removed incorrect test case methods
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  r642891 | josh | 2008-03-31 06:56:11 +0100 (Mon, 31 Mar 2008) | 1 line
  
  silenced noisy tests
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  r642904 | josh | 2008-03-31 07:55:04 +0100 (Mon, 31 Mar 2008) | 1 line
  
  changes/status for #44675, #44695, #44691
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  r642946 | yegor | 2008-03-31 10:58:27 +0100 (Mon, 31 Mar 2008) | 1 line
  
  Implement Sheet.removeShape(Shape shape) in HSLF
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  r639918 | josh | 2008-03-21 23:47:51 +0000 (Fri, 21 Mar 2008) | 1 line
  
  sort to int conversion sign extension fix
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  r640711 | josh | 2008-03-25 06:18:33 +0000 (Tue, 25 Mar 2008) | 1 line
  
  Added class javadoc.  Patch 30311 from Dmtriy.
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  r641157 | josh | 2008-03-26 05:29:08 +0000 (Wed, 26 Mar 2008) | 1 line
  
  more javadoc + clean-up from Dmitriy (bug 30311 att 21711)
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  r641185 | josh | 2008-03-26 07:32:28 +0000 (Wed, 26 Mar 2008) | 1 line
  
  patch 44675 - made POI capable of recognising var-args functions.  Some related fixes.
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  r641796 | nick | 2008-03-27 12:48:55 +0000 (Thu, 27 Mar 2008) | 1 line
  
  Patch from Raghu from bug #44652 - Improved handling of Pictures in Word Documents
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  r641799 | nick | 2008-03-27 12:54:32 +0000 (Thu, 27 Mar 2008) | 1 line
  
  Fix typo, and point hwpf people at the new microsoft docs
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  r641934 | nick | 2008-03-27 18:24:39 +0000 (Thu, 27 Mar 2008) | 1 line
  
  Add failing (but disabled) test from bug #44691
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  r641964 | josh | 2008-03-27 20:03:29 +0000 (Thu, 27 Mar 2008) | 1 line
  
  fixes for ExternalNameRecord serialisation bug #44691
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  r641967 | josh | 2008-03-27 20:15:13 +0000 (Thu, 27 Mar 2008) | 1 line
  
  annotated previous changelist(641964) with wrong buzilla number.  Previous changes were for bug #44695.
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  r641996 | josh | 2008-03-27 21:54:21 +0000 (Thu, 27 Mar 2008) | 1 line
  
  (real) fix for  bug #44691. Modified Pmt.java to allow for 3 arguments.  Added TestPmt junit.
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  r642231 | nick | 2008-03-28 13:35:37 +0000 (Fri, 28 Mar 2008) | 1 line
  
  Add test to show that bug #44693 is incorrect
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  r638803 | nick | 2008-03-19 11:57:38 +0000 (Wed, 19 Mar 2008) | 1 line
  
  Added test to show that bug #41546 is already fixed. Also rename a test file to be more consistent
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  r638804 | nick | 2008-03-19 12:01:32 +0000 (Wed, 19 Mar 2008) | 1 line
  
  Add test to show that bug #43251 is already fixed
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  r638812 | nick | 2008-03-19 12:28:56 +0000 (Wed, 19 Mar 2008) | 1 line
  
  Patch from Dmitriy from bug #30311 - Support for conditional formatting records
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  r638815 | nick | 2008-03-19 12:49:35 +0000 (Wed, 19 Mar 2008) | 1 line
  
  Fix bug #44627 - improve the thread safety of POILogFactory
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  r639231 | nick | 2008-03-20 10:06:59 +0000 (Thu, 20 Mar 2008) | 1 line
  
  Test relating to bug #44636
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  r639232 | nick | 2008-03-20 10:16:15 +0000 (Thu, 20 Mar 2008) | 1 line
  
  Simple patch from Josh from bug #44636 - fix for RefVPtg and edit-in-excel oddness
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  r639242 | nick | 2008-03-20 11:02:39 +0000 (Thu, 20 Mar 2008) | 1 line
  
  Fix for readCompressedUnicode not moaning about length=0, from bug #44643
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  r639254 | nick | 2008-03-20 11:43:14 +0000 (Thu, 20 Mar 2008) | 1 line
  
  Make junit happy
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  r639836 | nick | 2008-03-21 21:04:47 +0000 (Fri, 21 Mar 2008) | 1 line
  
  Tweak how you get dataformat strings out of cell styles, to be more logical, and in keeping with how we'll want to do things for xssf too
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