compatibility for ios6
Update misc files.
Update readme
Merge pull request #5 from akiroom/issues/ios6-compatiblity

Issues/ios6 compatiblity
little fix for podspec
Merge commit 'cf8db5f8af0d5145b66d6a511789746db4d7dd86'

Conflicts:
	AXRatingView/AXRatingView.m
Merge branch 'akiroom'