GUI -- Directive for tooltips on icon elements created. Control buttons on table views now have tooltips.

Change-Id: I77d73efa25bfc3adeb5519d5ca087475f5523c7d
diff --git a/web/gui/src/main/webapp/app/view/app/app.js b/web/gui/src/main/webapp/app/view/app/app.js
index 55ccd94..c5a7961 100644
--- a/web/gui/src/main/webapp/app/view/app/app.js
+++ b/web/gui/src/main/webapp/app/view/app/app.js
@@ -34,6 +34,10 @@
 
     function ($log, $scope, $http, fs, tbs, wss, ufs) {
         $scope.ctrlBtnState = {};
+        $scope.uploadTip = 'Upload an application';
+        $scope.activateTip = 'Activate selected application';
+        $scope.deactivateTip = 'Deactivate selected application';
+        $scope.uninstallTip = 'Uninstall selected application';
 
         function selCb($event, row) {
             // selId comes from tableBuilder