poi-ooxml-lite: Check in list of classes and xsb-files to avoid the jar-to-test depen...

poi-ooxml-lite: Check in list of classes and xsb-files to avoid the jar-to-test dependency

Avoid running all tests whenever building jars as tests take a long time now
and also cause large memory allocations.

It is nice if the target "jar" is as fast as possible and the list of included
items for ooxml-lite only changes rarely anyway.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1899160 13f79535-47bb-0310-9956-ffa450edef68