Removes nested PHP-block in menu's edit.html.
Fixes restaurant signup page
Fixes #61 saving dish showing blank page when form invalid.
Adds translations for dishes edit screen.
Updates dish edit i18n :astonished:.
Merge branch 'master' of https://github.com/SEP007/lmvc-patat

* 'master' of https://github.com/SEP007/lmvc-patat:
  Fixes restaurant signup page
Fixes #70
Merge branch 'master' of https://github.com/SEP007/lmvc-patat
Merge branch 'master' into mandatory_fields
Added mandatory highlighting in more files. Refactored text-area and text-field to accept a mandatory flag