FAQ BOX - Copy changes

Small copy changes in the faq box.
Merge pull request #830 from luisofribeiro/bootstrap

FAQ BOX - Copy changes
fixed reward decorator spec
fixed contributions controller spec
added project link in project header
Merge branch 'bootstrap' of github.com:catarse/catarse into bootstrap
fixed problem with contributions lesser than 10
removed hard line break from text in new contribution
several fixes for mobile
Merge remote-tracking branch 'origin/bootstrap' into change_text

Conflicts:
	config/locales/catarse_bootstrap/views/projects/contributions.pt.yml