Change send_method to class.send(:define_method)
Merge branch 'master' of github.com:b4mboo/git-review

Conflicts:
	lib/mixins/nestable.rb
Start using the Request model #45
Use comment and commit model in discussion #30
Move number_of_comments to Request #29
Move requests, commits and commands fetching to the models
Merge pull request #46 from blegat/review_130424_use_models

Use models