RuboCop RSpec v1.13.0

• Add repeated 'it' detection to RSpec/ExampleWording cop. (@dgollahon)
• Add [observed_nesting/max_nesting] info to RSpec/NestedGroups messages. (@dgollahon)
• Add RSpec/ItBehavesLike cop. (@dgollahon)
• Add RSpec/SharedContext cop. (@Darhazer)
• Rspec/MultipleExpectations: Count aggregate_failures block as single expectation. (@Darhazer)
• Fix ExpectActual cop flagging rspec-rails routing specs. (@backus)
• Fix FilePath cop not registering offenses for files like spec/blog/user.rb when it should be spec/blog/user_spec.rb. (@backus)