Many changes to advanced statistic and meta-classification logic.
Add example of complex meta-classification.

Support floating point values for time intervals.

Add apache license for regexp that were delivered from SpamAssassin project.
Fix debian/copyright for src/dns.c.

Update sample config file.

Install lua configuration by default (as user's one should be in rspamd.local.lua).

Fix possible deadlock in lua_redis.
Version is now 0.4.8 as there are enough changes.

Suggested by: Vasiliy G. Tolstov

Set version to 0.4.1.

--HG--
rename : rspamd.xml.sample => conf/rspamd-basic.xml.in

Submitted by: Victor Ustugov

Submitted by: Victor Ustugov

Submitted by: Victor Ustugov

Submitted by: Victor Ustugov

Change default pid file location.
Change MISSING_TO rule not to work when header exists but empty.
Add rules for bad bondaries and message ids.

Suggested by: Victor Ustugov.

Remove warnings from rspamc.
Add new rules [1]

Submitted by: Victor Ustugov [1]

Submitted by: Victor Ustugov

Add loading of local rules to rspamd.lua [1]

[1] Suggested by Victor Ustugov

 - now symbols inside metrics definition must be inside rules as well
 - symbols may be virtual (e.g. when module can insert several symbols inside callback)
 - symbols may be pure callbacks (when symbol's name is unknown and depends on conditions)
* Module 'emails' is removed as it is not used in the current rspamd
MANY fixes to sample config files

* Improve logic of selecting rspamc version
* Do not try to parse broken DNS replies
* Add 'raw' flag to FROM_EXCESS_BASE64 rule (requested by citrin)

* Fix R_TO_SEEMS_AUTO rule (by citrin)
* Add multimap lua plugin

* Each part in rspamd task now can have parent part
* Check for parts distance only for multipart/alternative subparts
* Do not check attachements even if they are text (but attached as file)
* Do not die if write (2) returned ENOSPACE while doing logging, turn on throttling mode instead (1 write try in a second)
* Add ability to turn on debug for specific symbols
* Add ability to configure dns timeouts and dns retransmits in config file

* Many improvements to rspamd test suite: now it CAN be used for testing rspamd functionality
* Write DNS resolver tests
* Fix issues with memory_pool mutexes and with creating of statfiles

* Fix undisclosed recipients detection

  - handle '\' characters in lua strings correctly
  - fix lua initialization
  - avoid of using global lua state (global L)
  - fix listen sockets hash to allow multiply workers of same type but on different listen sockets
  - fix modules options inserting to allow multiply options of the same name
  - fix parsing of lua options
  - fix lua rules

* Reset lua state while reloading

* Some tunes to lua API
* Fix bug with http maps
* Optimize installation and make custom prefix for configs

* Fix sample config
* Fix compile warnings
* Fix building without lua support
* Fix bugs with nrcpt header parsing and symbols cache loading (by Anton Nekhoroshikh)

* Add sample config to repository

* Fix rspamc
* Add english readme