Adding messages page to main navbar.
Adding a breadcrumb to messages.
Merge branch 'master' into dashboard
Updating Gemfile.lock.
Merge branch 'master' into dashboard

Conflicts:
	app/views/layouts/_mainnav.erb
Merge branch 'master' into dashboard

Conflicts:
	app/views/layouts/_mainnav.erb
Merge pull request #44 from codeforamerica/dashboard

Dashboard