Fix -> Using ModelFormMixin (base class of ApplicationUpdate) without the fields attribute is prohibited.
more flexible for related name of user field in AbstractApplication model
Merge pull request #116 from davidfischer-ch/master

ModelFormMixin (base class of ApplicationUpdate) without the fields attribute is prohibited.
Merge pull request #119 from variable/related_name_fix

more flexible for related name of user field in AbstractApplication model
Merge branch 'master' into openid-connect