Add cucumber scenarios of OpenFlow messages.
Pending scenarios are OK.
Add utf-8 encoding comment.
Update bundled gems.
Connect code climate with test coverage.
Update bundled gems.
Add cucumber scenarios of OpenFlow messages.
Rename features/pcap -> features/packet_data and support .raw files.
Merge branch 'develop' into feature/features_reply

Conflicts:
	features/echo_read.feature
	features/features_read.feature
	features/hello_read.feature
	features/step_definitions/pcap_steps.rb
	features/step_definitions/pending_steps.rb