Factor in DST when setting/getting delivery hour
Protect prompt delivery hour tests from DST shift
Use Rails voodoo to get DST offset automatically
Add ReplyToken for generating unique reply tokens
Add reply token to User
Add transition for filling in missing reply tokens
Compose ReplyToken instead of including ReplyToken
Remove whitespace for @houndci
Remove ReplyToken#new_reply_token
Always generate new reply token when creating User
Make intent of FillInReplyTokensTransition clearer
Create ReplyToken.generate to save key strokes
Use double quotes for mister @houndci
Add 'not null' constraint and index to reply token
Remove FillInReplyTokensTransition

Removing this because we now have a not null constraint. It is
impossible to test this transition.
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
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