Merge pull request #124 from ChrisGrant/master

Not styling the clear button in the UITextField.
Merge pull request #125 from ChrisGrant/master

Demo build fix.
Merge pull request #129 from ChrisGrant/master

Fix for renderer precendence
Merge pull request #131 from ChrisGrant/master

Fix for view controller background frame size being incorrect.
Merge pull request #132 from ChrisGrant/master

Updated the name of the back button item as per #122.
Merge pull request #133 from ChrisGrant/master

Added a warning if beautify is used on versions lower than iOS7.