moved events module from arras-cms to arras-components
added submit handler to medium-editor.js
removed hidden form field from MediumEditor
changed path to events module
moved SubmissionProcessor from arras-cms to arras-components
SubmissionProcessor
fixed MediumEditor including the demo and the tests which were broken
after moving from the hidden-form-field approach to the ajax approach
fixed import for SubmissionProcessor after moving it from arras-cms to
arras-components