Support next text field switching with fields on the same row

Thanks to @duncanjimbo and colleagues
Work without firstResponder
Revert "Fixed #70.", which caused inset calculation problems

This reverts commit 46e10fccd7a037149e8e71d3da00fecbbda569fa.
Fix an iOS 5 compatibility issue

Fixes issue introduced in #64
Fix dumb logic problem with prior commit
Fix dumb logic problem with prior commit
Merge pull request #78 from phatmann/work-without-first-responder

Work without firstResponder
Updated podspec for version 1.2.2
Added license file
Fixed issue #76.  In TPKeyboardAvoiding_calculatedContentSizeFromSubviewFrames, the scroll indicators were included in the subview frame calculations.  Now we save the visibility of the scroll indicators, then turn them off while we calculate the new contentSize, then restore the scroll indicator visibility state.
Merge pull request #83 from pseudostudios/master

Fixed issue #76.  In TPKeyboardAvoiding_calculatedContentSizeFromSubview...
Merge remote-tracking branch 'upstream/master'

Conflicts:
	TPKeyboardAvoiding/UIScrollView+TPKeyboardAvoidingAdditions.m