initial commit box_video
add projekktor files, update generator
change example url
fix attribute name
add preview image
video box feedback and refactoring
add mimetypes again, handle if no video has been added
fix video, wrong tag has been left in the video tag (for debugging)
Merge branch 'develop' into feature/video

* develop:
  checks that the deploy key is used in after_restart.rb
  refactors airbrake into error_tracking generator
  updates CHANGELOG
  adds preset_attributes and mandatory_attributes option to the model generator
  Bugfix: newrelic generator now differentiates between deploy key and api key
  fixes attribute generator tests
  adds preset_value option to the attribute generator
  uses generated attributes instead of overriding the getters
  names content page example consistently
  refactors the way we include common behavior for pages, boxes and resources
  refactor include page/box integration

Conflicts:
	CHANGELOG.md
refactoring: uses integer attribute type
refactoring: don't cache the video box and minor changes
minor changes

- changes video example to infopark jingle
- sets autoplay by default to "No"
- sets data url scheme to https instead of just // in order to work with the projekktor
removes resource mixin as it does not fit to the actual concept
adds generator spec and simplifies naming
Merge branch 'feature/video' into develop

* feature/video:
  adds generator spec and simplifies naming
  minor changes
  refactoring: don't cache the video box and minor changes
  refactoring: uses integer attribute type
  fix video, wrong tag has been left in the video tag (for debugging)
  add mimetypes again, handle if no video has been added
  video box feedback and refactoring
  add preview image
  fix attribute name
  change example url
  add projekktor files, update generator
  initial commit box_video
added rake task to get the current status of the infopark cloud express platform
removes automatically generated "first_*" method from the attribute generator, as it did not respect external links

+ fixes #48
+ refactors video widget, which was the only one using it
improve attribute module comments and handling of default values
updats the infopark console url
respects optional box titles