Removed RACDelegateProxy from UITextView+RACSupport, using NSNotificationCenter instead.
Use tabs, omit block return type, align exactly, use dot notation.
Update category name, remove unused import.
Re-added newline at end of UITextView+RACSupport.m
Kept delegateProxy around and deprecated it. Improved indentation.
Minor stylistic changes
Merge pull request #1053