Rename folder html to assets
Merge the database.sql to the dca-files
Created folders modules and classes and moved files to these folders
Add Namespace to files, create model-file and create autoload
Fixed problem with sub palettes shown on initial event editing
Add method to find all registrations for an event
Add check for ended events to cancel registration
Replace some database actions bei model calls
Modified some references in the module
Fixed a problem with the registration model and registered in the Globals-Array
Edits on the backend to display data for the registration. Fixed the registration, unregistration in the frontend.
Merge branch 'develop'

* develop:
  Edits on the backend to display data for the registration. Fixed the registration, unregistration in the frontend.
  Fixed a problem with the registration model and registered in the Globals-Array
  Modified some references in the module
  Replace some database actions bei model calls
  Add check for ended events to cancel registration
  Add method to find all registrations for an event
  Fixed problem with sub palettes shown on initial event editing
  Add Namespace to files, create model-file and create autoload
  Created folders modules and classes and moved files to these folders
  Merge the database.sql to the dca-files
  Rename folder html to assets
Fixed Conflict
Fixed Bug