Converted yesod login screen to monadic form
Converted yesod login screen to monadic form

The form helpers weren't being used which caused the CSRF tokens to not
be present. This also allows for a bit more flexability and
cleans up the code as well.

s9gf4ult/yesod,geraldus/yesod,psibi/yesod,tolysz/yesod,erikd/yesod,tolysz/yesod,yesodweb/yesod,yesodweb/yesod,erikd/yesod,geraldus/yesod,jprider63/yesod,psibi/yesod,yesodweb/yesod,psibi/yesod,erikd/yesod,geraldus/yesod,jprider63/yesod,s9gf4ult/yesod,s9gf4ult/yesod,tolysz/yesod,jprider63/yesod