Factor in DST when setting/getting delivery hour
Protect prompt delivery hour tests from DST shift
Use Rails voodoo to get DST offset automatically
Stop disabling sign up button via js

Deleting this code lets us delete our only test that uses
capybara-webkit, which increases our test suite speed dramatically.
Update to Ruby 2.1.3
Merge pull request #88 from codecation/dst-matters

Pay attention to DST for prompt delivery hour
Merge pull request #90 from codecation/add-reply-token

Add reply token to User
Merge pull request #91 from codecation/add-reply-token-constraints

Add db constraints to reply token
Merge branch 'add-reply-token'

* add-reply-token:
  Remove FillInReplyTokensTransition
  Add 'not null' constraint and index to reply token
Default emails from team@trailmix.life
Use email reply token instead of today@trailmix
Support old emails to today@ at the same time

There are probably some folks that will take a day or so to reply to
older emails. We should support both until we don't see anyone hitting
today@trailmix.life.
Remove unnecessary reply token parameter