Add XMB file format version to the XMB files and check it when loading a file.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15358 3db68df2-c116-0410-a063-a993310a9797
Fix tech pairing visuals + hiding

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15359 3db68df2-c116-0410-a063-a993310a9797
Move position calculation of buttons to something cleaner.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15360 3db68df2-c116-0410-a063-a993310a9797
Make trigger points templates

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15361 3db68df2-c116-0410-a063-a993310a9797
Fix group number rendering

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15362 3db68df2-c116-0410-a063-a993310a9797
Fix to unitAI by FalseVision + fix a mistake of my own

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15363 3db68df2-c116-0410-a063-a993310a9797
Petra: make better use of garrisoning when attacked

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15364 3db68df2-c116-0410-a063-a993310a9797
reset petra debug left in previous commit

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15365 3db68df2-c116-0410-a063-a993310a9797
Automated build.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15366 3db68df2-c116-0410-a063-a993310a9797
UnitAI fix by FalseVision

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15367 3db68df2-c116-0410-a063-a993310a9797
Remove useless line in UnitAI, found by FalseVision

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15368 3db68df2-c116-0410-a063-a993310a9797
Merge 'remotes/trunk'
Merge branch 'master' into balance