First implementation of markoff mailer backed by communication preferences
First implementation of new debt mailer
Refactor email layout into separate file and add utm helper
Lazy comm pref wasn't working, and actually check markoff receive comm status
Plug in modal for email notification alerts on login
Generate user comm pref after create, and add default values
Can't rely on comm pref being blank any more, so check updated_at instead when showing modal
Split out User::ExpenseExtension
Move cheeky to vendor/assets/stylesheets
Didn't actually need ActiveSupport::Concern in Tokenable - it's just a regular module
Basic client-side type sanity checking
Add options hash to utm_email_link_to
Merge branch 'master' into communication-prefs-mailers
Merge branch 'master' into communication-prefs-mailers

Conflicts:
	app/controllers/notifications_controller.rb
Merge branch 'master' into summer-features
Merge branch 'master' into summer-features
First implementation of quicks tats bar

This drops in the quick stats bar on the main dashboard and removes all
user-facing links to the condensed view, which is mostly redundant
anyways. The quick stats bar isn't a finalized product - this is only an
MVP.
Frame the quick stats bar in a well - oooooh, pretty
Store communication preferences as booleans and let rails do the conversion
Convenience methods for console