removed cinema ajax templates
cinema adding dialog refactored to work via JSON input-output
added option to request field values before showing dialog; cinema edit and delete dialogs fixed
JS part of  presentations dialogs refactored
small fixes on cinema delete dialog
presentation dialogs refactored to work via JSON API; removed last AJAX templates
added close button to all dialogs
release 1.1
* no HTML is transferred via AJAX requests any more - all REST actions are done in JSON
* some code refactoring
* some design/markup fixes