Correcting typo in comment
Upgrading to Play 2.2.1
Multitudinous code style refinements

Adjusting spacing on method return type colons.  Removing unnecessary
parens.  Cleaning up passings on lambdas.  Adding a missing semicolon to
some JS.  At least one instance of procedure syntax converted to having an
explicit `Unit` return type.  Possible more style improvements....