rename validation
Merge branch 'master' of https://github.com/concerto/concerto

* 'master' of https://github.com/concerto/concerto: (28 commits)
  format datetime on frontend fix #397
  reference object property via array
  fix variable name typo
  tweaks for linter
  revert date format
  #649 #397 slide transition and datetime formatting
  #649 #397 slide transition and datetime formatting
  pass config to content, increased logging #649
  more logging, set style on img #649
  support format field config #397
  identify type in log, apply styles to specific object #649
  set transition and pass to field #649
  dont log to the console
  handle 'replace' transition
  fix params to Slide call
  establish default transition and pass field config
  move transition requires to position since set there
  move margins to img not div for slide transition
  require slide and use instead of fade for testing
  add slide transition
  ...
interpolate the i18n string