Fix error output
Fix #100 - OpMethod handles properly missing braces
Improve a bit error display
Add a couple of examples for CLI#display_summary
Fix build on 1.9.3
SymbolSnakeCase cop is now hash label aware
Replace Term::ANSIColor with rainbow
Add an option to disable colors in the output
Fix broken spec
Fix debug option name
Display cop names in message when -d is passed

This fixes #102
Update changelog
Release 0.6.1
Mention syntastic support
Code style
Allow some semicolons for one line definitions.

Configurable checking of one line methods. Also allowing one line
classes and modules.
Merge pull request #103 from jonas054/semicolons

Allow some semicolons for one line definitions.
Update changelog with relaxed semicolon rule.
Merge pull request #104 from jonas054/semicolons

Update changelog with relaxed semicolon rule.
Fix SpaceAroundEqualsInParameterDefault cop for empty literals.

Literals such as "" and [] don't have positions in the s-expressions
we get from Ripper, so we must use tokens instead, where everything
has a position.