first pass at styling the email status header
darker, thinner rule in email status
add new status icons from erica
use image url helpers for status icons
include the status icon in the header
fix mail preview
display approvals in order vertically
group approvals by status for parallel approvals
Handle green traits that are only keys
Updated specs and fixed a bad one
Fix broken spec: ignore array order
Merge remote-tracking branch 'origin/master' into 81528610_approval_states
more email status styling
better spacing of approval list
Update per feedback
Merge remote-tracking branch 'origin/master' into 81528610_approval_states

Conflicts:
	app/assets/stylesheets/common/communicarts.css.scss
Merge pull request #121 from 18F/81528610_approval_states

[#81528610] approval states
Merge pull request #118 from 18F/79318780_handle_green_trait

79318780 handle green trait
simplify oauth specs
Merge pull request #129 from 18F/oauth-helper

simplify OAuth specs