git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13351 3db68df2-c116-0410-a063-a993310a9797
fades music in and out when switching to background, also honors g_PauseOnFocusLoss

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13352 3db68df2-c116-0410-a063-a993310a9797
double check that the sound manager has been created before using

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13353 3db68df2-c116-0410-a063-a993310a9797
Reduce duplicate GuiInterfaceCalls some more. Patch by sbte. Fixes #1878.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13354 3db68df2-c116-0410-a063-a993310a9797
Change target for all orders on EntityRenamed. Patch by mimo. Fixes #1903.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13355 3db68df2-c116-0410-a063-a993310a9797
eliminate most warnings produced by Cppcheck

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13356 3db68df2-c116-0410-a063-a993310a9797
Merge remote-tracking branch 'remotes/trunk'