format dollars proper

Change-Id: Ied84652272952a0fe6cb8747467cce56b29760fa
Merge remote-tracking branch 'upstream/2-1-lav' into 2-1-lav
add expiring soon mailer

Change-Id: Ifa0051ed013e6aa53e16ebe9847d00678b302026
add notifications task for expiring cards

Change-Id: Ia173d65427f6be78ea76a8ed0d31f45c4439d738
Rake tasks taskes the num days as param

- default to 7

Change-Id: If3df4da4e77fe20be78f4a57d9afa0729616b24c
Merge pull request #8 from seantaylor/2-1-lav

Expiration notifications
active scope on gift cards

exclude all gc's that have expired from the scope

Change-Id: I3a194611599f9fcde60902bcdeae68a7bc8344d1
spree::users_controller#gift_cards action

show all giftcards for the current user, add ?show_all to query string
to include expired giftcards as well.

Change-Id: I216afd6c32a07957363f7263f63f0006a259ef7d
a user can view their gift cards

Add new gift_card action to the user controller decorator. View shows
all the user's active gift cards, sorted by date to expire. Passing
?show_all=true will inclue the expired gift cards.

Change-Id: Ifd19861ac58395855ece6684a1852b3b818bf06c
Add a link in users#show to view giftcards

Change-Id: I9d7e530e171dbf19c719ef98eb552112654d646e