Introduce touch gesture for hint menu

Change-Id: I63e55405ea0d4df8a51932f96c6bbd312ebe4388
diff --git a/dev/js/src/hint/input.js b/dev/js/src/hint/input.js
index e61d820..a163727 100644
--- a/dev/js/src/hint/input.js
+++ b/dev/js/src/hint/input.js
@@ -49,6 +49,7 @@
     return this._element.value;
   },
 
+
   /**
    * Get the value of the input field mirror.
    */
@@ -58,7 +59,7 @@
 
 
   /**
-     * Reset the input value
+   * Reset the input value
    */
   reset : function () {
     this._element.value = "";
@@ -138,7 +139,7 @@
     return this._split()[0];
   },
 
-  
+
   // Initialize new input field
   _init : function (element) {
     this._element = element;
@@ -162,6 +163,7 @@
     return this;
   },
 
+
   // Get the right position
   _rightPos : function () {
     var box = this._mirror.firstChild.getBoundingClientRect();