Add a translation comment for "Join Game" buttons in the main menu and the lobby, to clarify the translation context.

Fixes #2548

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15775 3db68df2-c116-0410-a063-a993310a9797
small fixes/improvments to the AI

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15776 3db68df2-c116-0410-a063-a993310a9797
Update PO files from Transifex.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15777 3db68df2-c116-0410-a063-a993310a9797
Regenerate translation strings for Transifex.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15778 3db68df2-c116-0410-a063-a993310a9797
Extend visibility update to all tiles around LoS vertices. Incidentally prevent an issue from arising on square maps. Also improve a code comment.

This should be enough to fix #2760.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15779 3db68df2-c116-0410-a063-a993310a9797
Automated build.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15780 3db68df2-c116-0410-a063-a993310a9797
Merge 'remotes/trunk'