global cleanup
update ckeditor
fix document form
final specs and style fixes
update rails 4.1.6, sort gems AZ
rspec 2.99 fix deprecations
Convert specs to RSpec 2.99.2 syntax with Transpec

This conversion is done by Transpec 2.3.7 with the following command:
    transpec -t

* 59 conversions
    from: obj.should
      to: expect(obj).to

* 11 conversions
    from: obj.should_not
      to: expect(obj).not_to

* 1 conversion
    from: it { should_not ... }
      to: it { is_expected.not_to ... }

* 1 addition
      of: RSpec.configure { |c| c.infer_spec_type_from_file_location! }

For more details: https://github.com/yujinakayama/transpec#supported-conversions
rspec3
reconfigure rspec-rails 3x
fix specs for 3.x