- Renamed view system/messages/messageSent.php to system/messages/htmlSuccess.php

- Added new view system/messages/htmlError.php
- Renamed view system/messages/messageWrite.php to system/messages/htmlWriteTemplate.php
- Added new widget views: widgets/Dropdown_widget.php and widgets/MultipleDropdown_widget.php
- Added new CSS public/css/Widgets.css
- Controller system/FASMessages:
	- Renamed method write to writeTemplate and method writeReply to writeReplyTemplate
	- Removed all the private methods and moved all the logic to model CL/Messages_model
	- Methods writeTemplate and writeReplyTemplate do not need anymore the sender id as parameter
- Controller system/Messages:
	- Renamed method write to writeTemplate
	- Renamed method send to sendImplicitTemplate
	- Renamed method sendJson to sendExplicitTemplateJson
	- Moved all the logic to model CL/Messages_model
- Adapted php and JS code to use these new methods names and interfaces
- Removed public method getIsAdmin from MessageLib
- Method _sendMessage of MessageLib now returns the saved message ids
- Added new package olifolkerd/tabulator to composer
- Added new parameter widgets to view templates/FHC-Header.php
- Added new HTML widget widgets/Dropdown_widget and widgets/MultipleDropdown_widget
- Added constants REPLY_SUBJECT_PREFIX and REPLY_BODY_PREFIX to model CL/Messages_model
- Added new public methods prepareHtmlWriteTemplatePersons, prepareHtmlWriteTemplatePrestudents, sendImplicitTemplate, sendExplicitTemplate, getVorlage, parseMessageText and getMessageFromIds to model CL/Messages_model
- Added new private methods _getAuthUser, _lowerReplaceSpaceArrayKeys, _addOeToPrestudents, _personLog and _prepareHtmlWriteTemplate to model CL/Messages_model

application/widgets/MultipleDropdown_widget.php

@@ -0,0 +1,20 @@
+<?php
+
+class MultipleDropdown_widget extends DropdownWidget
+{
+	public function display($widgetData)
+	{
+		$elements = $widgetData['elements'];
+
+		$this->setElementsArray(
+			$elements,
+			false,
+			'',
+			'No data present'
+		);
+
+		$this->setMultiple();
+
+		$this->loadDropDownView($widgetData);
+	}
+}