Show display names in mail template

I.e., From: Josh <josh@signals.com> instead of just From:
<josh@signals.com>
Implemented for from, to, reply-to
Add a simple Rakefile since that's how folks typically expect to run tests
Freshen up locked bundle for latest deps
Merge pull request #43 from carezone/master

Shows display names for mail template

Conflicts:
	test/test_mail_view.rb
Bump version to 1.1.0