Fix css issues.

wise-webapp/src/main/webapp/css/editor.css

@@ -6,6 +6,14 @@ html {
     overflow: hidden;
 }
 
+body {
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -o-user-select: none;
+    user-select: none;
+}
+
 #waitDialog {
     position: absolute;
     top: 10px;
@@ -728,7 +736,3 @@ div#toolbar .topicRelation:hover {
 div#toolbar .relationshiplabel {
     width: 56px;
 }
-
-.nicEdit-main {
-    outline:none;
-}