major cleanup

src/main/java/com/commafeed/frontend/references/angular/AngularReference.java

@@ -1,20 +0,0 @@
-package com.commafeed.frontend.references.angular;
-
-import org.apache.wicket.markup.head.IHeaderResponse;
-import org.apache.wicket.markup.head.JavaScriptHeaderItem;
-
-import de.agilecoders.wicket.webjars.request.resource.WebjarsJavaScriptResourceReference;
-
-@SuppressWarnings("serial")
-public class AngularReference extends WebjarsJavaScriptResourceReference {
-
-	private static AngularReference instance = new AngularReference();
-
-	public AngularReference() {
-		super("angularjs/current/angular.min.js");
-	}
-
-	public static void render(IHeaderResponse response) {
-		response.render(JavaScriptHeaderItem.forReference(instance));
-	}
-}

src/main/java/com/commafeed/frontend/references/csstree/CssTreeViewReference.java

@@ -1,26 +0,0 @@
-package com.commafeed.frontend.references.csstree;
-
-import org.apache.wicket.markup.head.CssHeaderItem;
-import org.apache.wicket.markup.head.IHeaderResponse;
-import org.apache.wicket.request.resource.CssResourceReference;
-
-/**
- * http://experiments.wemakesites.net/css3-treeview.html
- * 
- */
-@SuppressWarnings("serial")
-public class CssTreeViewReference extends CssResourceReference {
-	private static CssTreeViewReference instance = new CssTreeViewReference();
-
-	public CssTreeViewReference() {
-		super(CssTreeViewReference.class, "css3-treeview.css");
-	}
-
-	public static void render(IHeaderResponse response) {
-		response.render(CssHeaderItem.forReference(instance));
-	}
-
-	public static CssTreeViewReference get() {
-		return instance;
-	}
-}

src/main/java/com/commafeed/frontend/references/csstree/css3-treeview.css

@@ -1,115 +0,0 @@
-.css-treeview ul,
-		.css-treeview li
-		{
-			padding: 0;
-			margin: 0;
-			list-style: none;
-		}
-
-		.css-treeview input
-		{
-			position: absolute;
-			opacity: 0;
-		}
-
-		.css-treeview
-		{
-			font: normal 11px "Segoe UI", Arial, Sans-serif;
-			-moz-user-select: none;
-			-webkit-user-select: none;
-			user-select: none;
-		}
-
-		.css-treeview a
-		{
-			color: #00f;
-			text-decoration: none;
-		}
-
-		.css-treeview a:hover
-		{
-			text-decoration: underline;
-		}
-
-		.css-treeview input + label + ul
-		{
-			margin: 0 0 0 22px;
-		}
-
-		.css-treeview input ~ ul
-		{
-			display: none;
-		}
-
-		.css-treeview label,
-		.css-treeview label::before
-		{
-			cursor: pointer;
-		}
-
-		.css-treeview input:disabled + label
-		{
-			cursor: default;
-			opacity: .6;
-		}
-
-		.css-treeview input:checked:not(:disabled) ~ ul
-		{
-			display: block;
-		}
-
-		.css-treeview label,
-		.css-treeview label::before
-		{
-			background: url("icons.png") no-repeat;
-		}
-
-		.css-treeview label,
-		.css-treeview a,
-		.css-treeview label::before
-		{
-			display: inline-block;
-			height: 16px;
-			line-height: 16px;,
-			vertical-align: middle;
-		}
-
-		.css-treeview label
-		{
-			background-position: 18px 0;
-		}
-
-		.css-treeview label::before
-		{
-			content: "";
-			width: 16px;
-			margin: 0 22px 0 0;
-			vertical-align: middle;
-			background-position: 0 -32px;
-		}
-
-		.css-treeview input:checked + label::before
-		{
-			background-position: 0 -16px;
-		}
-
-		/* webkit adjacent element selector bugfix */
-		@media screen and (-webkit-min-device-pixel-ratio:0)
-		{
-			.css-treeview 
-			{
-				-webkit-animation: webkit-adjacent-element-selector-bugfix infinite 1s;
-			}
-			
-			@-webkit-keyframes webkit-adjacent-element-selector-bugfix 
-			{
-				from 
-				{ 
-					padding: 0;
-				} 
-				to 
-				{ 
-					padding: 0;
-				}
-			}
-		}