Add minitest-reporters.
User.create_with_omniauth  now supports google, facebook and twitter authentication.
Drop "friendly" user urls by github nickname since we are going to have multiple providers.
Controllers ready to support multiple authentication providers.
And UI is ready for logging in/signing up with twitter, google and facebook.
Merge branch '1-more_social_logins'. Closes https://github.com/euruko2013/vestibule/issues/1.
Instructions for setting up the rest of the social login providers.
Mention the event name on the rss feed of the proposals.
Mention the event name on the index page of the proposals and also provide a link to rss feed.
Bigger icon for rss feed if it's needed somewhere.
Missing semicolon from js.
Bootstrap 'impressionist' gem for tracking page views.
Bootstrap 'impressionist' gem for tracking page views. Refs #7.
Make Proposal model impressionable and add an impressions counter cache. Refs #7.
Track impressions on proposals. Refs #7.
Merge remote-tracking branch 'origin/7-track_proposal_views'. Closes #7.
Always have a gravatar even if we don't have an email for the user.
Fallback to 'retro' default gravatar icon if it does not exist.
Merge remote-tracking branch 'origin/default_gravatar'. Closes #9.
Clearer information about how a proposal has been updated.

I've also reduced the size of the update text, since if it is longer
it can take focus away from the proposal title, and that's not what
we want.
Added republishing functionality to proposals. Closes #13

Conflicts:
	app/helpers/application_helper.rb