Register an offence when the last hash parameter has braces in BracesAroundHashParameters cop.
Merge pull request #567 from dblock/braces-in-hash-parameters-last-only

Fix: register an offence when the last hash parameter has braces.
Credited contributors and fixed lack of periods at the end of changelog lines.
Merge pull request #568 from dblock/changelog

Credited contributors and fixed lack of periods at the end of changelog lines.
Fix StringLiterals bug regarding character literals.

The StringLiterals cop shold not report offences for character literals.
Make more precise corrections in autocorrect.

Calling corrector.replace with rather big ranges increases the risk for clobbering, i.e. conflicting corrections. It's better to use insert_before, insert_after, and remove when possible, and replace only when it's relevant.
Fix double reporting of offence in SignalException.
Merge pull request #569 from jonas054/fix_autocorrect_clobbering

Fix autocorrect clobbering
Create Output cop to check for output in Rails
Merge pull request #539 from daviddavis/output-cop

Created Output cop to check for output in Rails
Fix offending style failure
Don't treat splats as trivial writers
Merge pull request #570 from nevir/style-fix

Fix for the style breakage on master
Merge pull request #566 from nevir/splat-is-not-trivial

Don't treat splats as trivial writers
Fix autocorrect for SpecialGlobalVars
Merge pull request #565 from nevir/fix-special-globals

Fix autocorrect for SpecialGlobalVars
Run RuboCop over its self for the default rake task
Lazy-load rubocop for the rake task
Merge pull request #571 from nevir/always-check-style

Run RuboCop over its self for the default rake task
Grammar & naming