fix most of the potential (and actual) memory leaks and other issues identified by the Xcode static analyzer
explicitly release this NSAttributedString so we can release this memory right away instead of waiting on the autorelease pool
10.6 (snow leopard) delegate release fix
properly retain and release the window and menu delegates in ClientAppDelegate
Merge pull request #414 from btjones/static-analyzer-issues

resolve (most) mac static analyzer issues