[ONOS-3642] Add GUI Meter View

This implements the web GUI meter view.
Current implementation uses the group table icon for meter,
and the revised meter icon will be updated in following commit.
See ONOS-3645 for detail.

Change-Id: Iaa2e673ef83024135d757a2aaec1c31a87263217
diff --git a/web/gui/src/main/webapp/app/view/port/port.html b/web/gui/src/main/webapp/app/view/port/port.html
index ef4f37e..33ac24e 100644
--- a/web/gui/src/main/webapp/app/view/port/port.html
+++ b/web/gui/src/main/webapp/app/view/port/port.html
@@ -1,19 +1,3 @@
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ 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.
-  -->
-
 <!-- Port partial HTML -->
 <div id="ov-port">
     <div class="tabular-header">
@@ -46,6 +30,11 @@
                  icon icon-id="groupTable" icon-size="36"
                  tooltip tt-msg="groupTip"
                  ng-click="nav('group')"></div>
+
+            <div class="active"
+                 icon icon-id="meterTable" icon-size="36"
+                 tooltip tt-msg="meterTip"
+                 ng-click="nav('meter')"></div>
         </div>
     </div>
 
diff --git a/web/gui/src/main/webapp/app/view/port/port.js b/web/gui/src/main/webapp/app/view/port/port.js
index 1e8585d..18fedc7 100644
--- a/web/gui/src/main/webapp/app/view/port/port.js
+++ b/web/gui/src/main/webapp/app/view/port/port.js
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2015,2016 Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -40,6 +40,7 @@
             $scope.deviceTip = 'Show device table';
             $scope.flowTip = 'Show flow view for this device';
             $scope.groupTip = 'Show group view for this device';
+            $scope.meterTip = 'Show meter view for selected device';
 
             params = $location.search();
             if (params.hasOwnProperty('devId')) {