Parser splitting

git-svn-id: svn://svn.code.sf.net/p/freeorion/code/trunk@7642 dbd5520b-6a0a-0410-a553-f54834df5b05
Added some as-yet-unused statistic containers to Empire.

git-svn-id: svn://svn.code.sf.net/p/freeorion/code/trunk@7643 dbd5520b-6a0a-0410-a553-f54834df5b05