GUAC-1376: Add reconnect button style.

guacamole/src/main/webapp/app/client/controllers/clientController.js

@@ -170,8 +170,9 @@ angular.module('client').controller('clientController', ['$scope', '$routeParams
      * Action which replaces the current client with a newly-connected client.
      */
     var RECONNECT_ACTION = {
-        name     : "CLIENT.ACTION_RECONNECT",
-        callback : function reconnectCallback() {
+        name      : "CLIENT.ACTION_RECONNECT",
+        className : "reconnect button",
+        callback  : function reconnectCallback() {
             $scope.client = guacClientManager.replaceManagedClient($routeParams.id, $routeParams.params);
             guacNotification.showStatus(false);
         }

guacamole/src/main/webapp/app/index/styles/buttons.css

@@ -79,30 +79,22 @@ input[type="submit"]:disabled, button:disabled, button.danger:disabled {
     opacity: 0.75;
 }
 
-.button.logout,
-button.logout,
-.button.manage,
-button.manage,
-.button.back,
-button.back,
-.button.home,
-button.home,
-.button.change-password,
-button.change-password {
+.button.logout,          button.logout,
+.button.reconnect,       button.reconnect,
+.button.manage,          button.manage,
+.button.back,            button.back,
+.button.home,            button.home,
+.button.change-password, button.change-password {
     position: relative;
     padding-left: 1.8em;
 }
 
-.button.logout::before,
-button.logout::before,
-.button.manage::before,
-button.manage::before,
-.button.back::before,
-button.back::before,
-.button.home::before,
-button.home::before,
-.button.change-password::before,
-button.change-password::before {
+.button.logout::before,          button.logout::before,
+.button.reconnect::before,       button.reconnect::before,
+.button.manage::before,          button.manage::before,
+.button.back::before,            button.back::before,
+.button.home::before,            button.home::before,
+.button.change-password::before, button.change-password::before {
     content: ' ';
     position: absolute;
     left: 0;
@@ -119,6 +111,11 @@ button.logout::before {
     background-image: url('images/action-icons/guac-logout.png');
 }
 
+.button.reconnect::before,
+button.reconnect::before {
+    background-image: url('images/circle-arrows.png');
+}
+
 .button.manage::before,
 button.manage::before {
     background-image: url('images/action-icons/guac-config.png');