Implemented WebSockets for GUI2

Change-Id: I4776ce392b1e8e94ebee938cf7df22791a1e0b8f
diff --git a/web/gui2/src/main/webapp/app/onos.common.css b/web/gui2/src/main/webapp/app/onos.common.css
new file mode 100644
index 0000000..9a3f5a6
--- /dev/null
+++ b/web/gui2/src/main/webapp/app/onos.common.css
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ ONOS GUI -- common -- CSS file
+ */
+
+.clickable {
+    cursor: pointer;
+}
+
+.light .editable {
+    border-bottom: 1px dashed #ca504b;
+}
+
+.dark .editable {
+    border-bottom: 1px dashed #df4f4a;
+}
+
+.light svg.embeddedIcon .icon .glyph {
+    fill: #0071bd;
+}
+
+.dark svg.embeddedIcon .icon .glyph {
+    fill: #375b7f;
+}