Replaced deprecated jquery functions (#2996)

Since jQuery 3.0, both .bind() and .unbind() have been deprecated.
The suggested replacements are:
jquery.bind() => jquery.on()
jquery.unbind() => jquery.off()

src/ng1/directives/stateDirectives.ts

@@ -181,9 +181,9 @@ function $StateRefDirective($state: StateService, $timeout: ITimeoutService) {
 
       if (!type.clickable) return;
       hookFn = clickHook(element, $state, $timeout, type, function() { return def; });
-      element.bind("click", hookFn);
+      element.on("click", hookFn);
       scope.$on('$destroy', function() {
-        element.unbind("click", hookFn);
+        element.off("click", hookFn);
       });
     }
   };
@@ -234,9 +234,9 @@ function $StateRefDynamicDirective($state: StateService, $timeout: ITimeoutServi
 
       if (!type.clickable) return;
       hookFn = clickHook(element, $state, $timeout, type, function() { return def; });
-      element.bind("click", hookFn);
+      element.on("click", hookFn);
       scope.$on('$destroy', function() {
-        element.unbind("click", hookFn);
+        element.off("click", hookFn);
       });
     }
   };