add app/decorators/concerns/
Update cucumber env
Replace URI.escape with URI::Parser.new.escape
Fix ruby warning
Replace '==' with 'eq()'
Fix rspec warnings
Fix ruby warnings in specs
Downgrade and lock cucumber gem at 1.3.2 due bug:
* minitest-4.7.5/lib/minitest/unit.rb:1037:in `block in process_args': invalid option: --profile (OptionParser::InvalidOption)