Improve gui moddability by allowing to load an entire directory of scripts at once, and being able to split up big gui XML files. Fixes #2622

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15330 3db68df2-c116-0410-a063-a993310a9797
Automated build.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15331 3db68df2-c116-0410-a063-a993310a9797
Give gaia back it's vision.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15332 3db68df2-c116-0410-a063-a993310a9797
Automated build.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15333 3db68df2-c116-0410-a063-a993310a9797
Merge 'remotes/trunk'