Refactored SMS Translations

I added a header and footer to outgoing messages to maintain FCC
compliance.
Merge branch 'message-headers-and-footers' into development
Added a LICENSE Footer
Added Some Basic Structure for the Homepage
Added a Check to Prevent Double Charging

This should prevent users from accidentally double charging themselves.
Refactored Paid Check to Model and Added Test
Added Controller Check for Under-Priced Messages

I added a check to the messages controller to prevent messages from
being created on keywords with insufficient value to send.
Merge branch 'minimum-subscribers' into development
Added Basic Information to Keyword Thumbnails
Fixed Template for Keyword Index
Improved Template for Message Pay
Added Explanatory Text to Message Pay
Merge branch 'message-sending-views' into development
Added Styles for the Layout
Completed Copy and Styles for Homepage
Merge branch 'homepage' into development

Conflicts:
	config/locales/en.yml
Added Blocked Column to Phone

I added column to the phone model to represent whether or not it is
currently blocked by the Twilio stop functionality.
Added Methods to Phone for Blocking and Unblocking
Added Subscribe Method to Phone
Changed Subscription Controller to Handle STOP

I modified the sms action on the subscription controller to properly
handle stop, start and help messages.