Ugly enabled selections.

Needs more work before getting this live.
Be a little more bot boostrap-ish...
Change the design of the Proposal#show in order to be able to accommodation the author info!
Add a button in Proposal#show to send the user in the proposals list in order to select it.
Add a link to the user.
Include an anchor in button.
Call to action in dashboard to go and vote for phase 2.
Show nomination badge for own proposals.
Merge remote-tracking branch 'origin/selections'. Refs #10.