Makes rate and lengthOfScroll properties public.
Delete duplicate rate/lengthOfScroll property definitions. Add demo usage.
More preventative measures to avoid non-integral sublabel frames (ref issue #35).
Eliminate strong reference to self in block (ref issue #49).
Update README.mdown

The link was pointing to the editable version of the readme, which didn't show the read me file to developers without access.
Merge pull request #50 from Mazyod/patch-1

Update README.mdown
Update project settings.
Utilize layoutSubviews to detect size changes.