Add support for other languages beyond French, German and Polish. Any non-unicode language should work now.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9761 387891d4-d844-0410-90c0-e4c51a9137d3
Allow event.log to snapshot all events that are checked this frame. Allow event.log to record the status of the event the previous time it was checked in addition to its status this frame.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9762 387891d4-d844-0410-90c0-e4c51a9137d3