Added -mapWithIndex
Added some new Rect and string methods.

* IB_EMPTY_STRING_IF_NIL converts nil to empty string for cleaner saving.
Slight date format expectation.
Moved the L() macro to a function call and removed the macro files.
Message processor fix for iOS 5+.
NSObject * -> id

* I was young and foolish and used to base implementation classes.
#ifdef for alignment constants.
Target project at 6.0.
Merge branch 'master' of github.com:ZaBlanc/InnerBand