Update asset module to new structure, make admisterable
Add asset client files. Add ng-file-upload to repository to avoid another bower dependency
Add configuration for REST query and list template to generic crud
Increase version to 0.1.3
Render only assets which have content, increase version
Validate asset ids
Increase version number
Throw errors via next in asset
Increase version number
Render content elements in correct order
Add ejs filter for image rendering
Replace throw error  by next(error)
Add asset and image widgets
Return meta data on upload
Increase version