added risk labels to pull_request
added requirement to script/pull_request
added number accessor to pull_request object
mistakenly added pull_request_data.number twice
Merge branch 'master' of github.com:sportngin/octopolo into risk-labels

Conflicts:
	lib/octopolo/github/label.rb
	spec/octopolo/github/label_spec.rb
updated pull_request script to reflect change in pull_request model
added check to label when CLI receives Don't know yet
no longer passing arguments where I shouldn't've been
changed ask_label to return a label object
changed way it looks up label in array
Removed rails specific verbage
Merge pull request #23 from sportngin/risk-labels

Label support for pull requests