Cabal revisions of yesod-form-1.4.12

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:            yesod-form version:         1.4.12+x-revision: 1 license:         MIT license-file:    LICENSE author:          Michael Snoyman <michael@snoyman.com>                    , yesod-persistent      >= 1.4      && < 1.5                    , time                  >= 1.1.4                    , shakespeare           >= 2.0-                   , persistent+                   , persistent >= 2.5                    , template-haskell                    , transformers          >= 0.2.2                    , data-default