Travis: Also test on Ruby 2.0.0.

(cherry picked from commit 080b862aa221641c02fd7a6c79d4c6c7b2b977a9)
Fix that 'last login' didn't show year, only day and month. Closes #455.
Merge remote-tracking branch 'origin/v1.x'

Conflicts:
	spec/views/members/index.html.haml_spec.rb
Merge remote-tracking branch 'origin/master' into coop

Conflicts:
	spec/views/members/index.html.haml_spec.rb
Upgrade simplecov to get fix for JSON format error.