Convert specs to RSpec 2.99.0 syntax with Transpec

This conversion is done by Transpec 2.3.1 with the following command:
    transpec

* 13 conversions
    from: describe 'some model' { }
      to: describe 'some model', :type => :model { }

* 4 conversions
    from: describe 'some routing' { }
      to: describe 'some routing', :type => :routing { }

* 2 conversions
    from: describe 'some controller' { }
      to: describe 'some controller', :type => :controller { }

* 1 conversion
    from: describe 'some helper' { }
      to: describe 'some helper', :type => :helper { }

For more details: https://github.com/yujinakayama/transpec#supported-conversions