Update project file to recommendations of Xcode 4.6.2
Revert base SDK to 'current Mac OS X' since I'm still kicking it old-school on 10.7.
Fix improper format string
Remove private method signature that is no longer necessary - LLVM is smart enough to no longer require explicit forward declarations.
Fix a few comments.
Remove unused autorelease pool.
Restore power loss warning in console.
Make format strings happier with explicit casts.
fix compound boolean formatting to make logical and more explicit.
Fix warnings resulting from not importing correct header for SBCouchView.
Change statusCode to use NSInteger.  (Why am I updating MGTwitterEngine? :'( )
fix another deprecated C string NSString conversion.
Kill unused variable in AppDelegate.
Fix another format string in MGTwitterEngine