Animal sniffer integration

This plugin checks against Java 7 APIs in the code.
Plugin version as a property
Do not escape in multi-line strings
Rake task to deploy snapshots
Advices on dynamic object method definition

Closes #39
Bound check

Certain variable arguments configurations invalidate this check,
resulting in ArrayOutOfBoundException.
Augment strings with format

This delegates to the corresponding static method in java.lang.String.

Closes #40
Return self(this) with each : ability to chain methods
Merge pull request #41 from k33g/pimpthemall

Return this with each to chain methods
Branching fix
Turn into local references, distinguish locally accessed and locally declared
Mark parameters as assigned
'constant reference' is better than just 'constant'
Improved error reporting messages
Clarifications on function / closure arguments
Merge pull request #48 from jponge/wip/fix-43

Closures and function parameters fixes