[Review] Request from 'vlewin' @ 'SUSE/connect/review_140602_suseconnect_command_line_client_integration_tests'

Please review the following changes:
  * 63cc0ad fix rubocop warnings
  * 3884c66 add integration tests for language and extension activation
  * f901e3d refactor integration steps
  * 65e7fa2 change format of zypper product identifier to <internal name>/<version>/<architecture>