Refactor motd and server registration messages away from PONG
Delay registration when PASS authenticating
Understand lowercase commands
Fix and add tests + add missing helper to NICK
Merge branch 'master' into motd-refactoring

Conflicts:
	lib/command_views.rb
	lib/commands/authentication_helper.rb
Correct grouping of command view methods (motd/registration).
Removed debug logging.
Merge pull request #33 from flowdock/motd-refactoring

Motd refactoring