Don't display "Offences:" if there's no offence with progress formatter
Merge pull request #281 from yujinakayama/fix-progress-formatter

Don't display "Offences:" if there's no offence with progress formatter
Migrate all cops to new namespaces
Merge pull request #282 from lee-dohm/namespace_patch

Migrate all cops to new namespaces
Code style
Mention @yujinakayama in the contributors section
Update code that checked for :nil nodes

The :nil nodes were removed in Parser 2.0.0.beta6.
nil, false and true are also literals to consider
Use node.loc.something.is? instead of node.loc.something.source ==
Specify more precise highlight points for some offences
Allow rdoc syntax in leading comment space check

rdoc has syntax notations like #--, #++, #:nodoc:, etc.

This fixes #277.
Don't count elsif nodes as block nesting (fixes #252)
Add an explanation about multiple formatters to --help text
A couple of improvements to the AccessControl cop

* added class level documentation
* added handling of `public` modifier
* improved cop messages
Improve the Alias cop a bit

* added class-level doc
* added special handling for aliasing global variables
Add basic documentation for a couple of classes (#208)
Add basic documentation for a couple of classes (#208)
Add basic documentation for a couple of classes (#208)
Add basic documentation for a couple of classes (#208)
Add basic documentation for a couple of classes (#208)