- Removed not used methods sortSelectedFields, removeSelectedField and addSelectedField from controllers/components/Filter

- Removed not used methods sortSelectedFields, addSelectedField and removeSelectedField from libraries/FilterCmptLib
- CSS fixes for FilterComponent and NavigationComponent
- Removed not used API calls from public/js/components/filter/API.js
- Added second level menu entries to the NavigationComponent
- Added new property side-menu to the FilterComponent to render the filters selection via the NavigationComponent or directly from the FilterComponent
- FilterComponent:
	- Column positioning is now managed by tabulator
	- Splitted the column selection from the filter options
	- Added the rendering of the filters selection via an optional dropdown
	- Changed the usability and the look of the filter options
	- German translation

public/css/components/FilterComponent.css

@@ -15,13 +15,13 @@
 	padding: 10px;
 }
 
-.filter-dnd-area {
+.filter-fields-area {
 	height: 50px;
 	padding: 3px;
 	margin-bottom: 10px;
 }
 
-.filter-dnd-object {
+.filter-fields-field {
 	height: 100%;
 	margin-left: 7px;
 	padding: 11px;
@@ -32,7 +32,7 @@
 	border-width: 1px;
 	border-radius: 7px;
 	font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
-	cursor: move;
+	cursor: pointer;
 }
 
 .filter-filter-fields {

public/css/components/NavigationComponent.css

@@ -55,6 +55,14 @@
 	border-bottom: none !important;
 }
 
+.left-side-menu-second-level span {
+	display: inline-flex;
+}
+
+.remove-custom-filter {
+	font-size: 10px !important;
+}
+
 .left-side-menu-link-entry {
 	font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
 	font-size: 14px;