Enforce extra new line at end of file

@bix0r 

Enforce extra new line at end of file

At the moment the files you create are missing newline at end file

https://github.com/stefna/codestyle/blob/try-catch/tests/Sniffs/ControlStructures/TryCatchDeclarationSniffTest.php#L17

There should always be an empty newline at end of file