Adding readme explaining this directory is only for historical purposes.
Merge git.f8fc2acb: Lots of ColonyPanel cleanup, fixing BR#2511 in passing.
Fix bogus combat test.
Merge git.bd1429a: Ensure directional tile improvements are correctly connected.
Merge git.3d77fa7: Add AI mission success counting scripts.
Merge git.82e34ad: Fix odd recruit price increase, contributed by wintertime.
Merge git.bc112fc: Improved window size detection, contributed by wintertime.
Merge git.2770eb9: Partially fixes BR.2510
Merge git.698ef62: Fix data loss and simplify ReceivingThread.
Merge git.93ad952: ReceivingThread fixes.