Use attributed strings to display placeholder text in the correct color
Enforce a minimum width on the issuer field when editing a token.

This fixes a bug where the field could be extremely narrow on iOS 7.1
Merge branch 'text-fields'
Use cell-based segmented control in the token entry form
Use cell-based account name field in the token entry form
Use cell-based secret key field in the token entry form
Use cell-based scan barcode button in the token entry form
Add an issuer field to the token entry form
Make OTPTokenEntryViewController a UITableViewController subclass
Refactor form cell background color
Refactor form cell text colors
Refactor navigation bar translucence
Refactor switch returns
Merge branch 'form'