feat(add performacne and unlock)

Author: danielstern

app/angular.audio.js

@@ -92,17 +92,23 @@ angular.module('ngAudio', [])
 
 .value('ngAudioGlobals', {
     muting: false,
-    songmuting: false
+    songmuting: false,
+    performance: 25,
+    unlock: true
 })
 
 .factory('NgAudioObject', ['cleverAudioFindingService', '$rootScope', '$interval', '$timeout', 'ngAudioGlobals', function(cleverAudioFindingService, $rootScope, $interval, $timeout, ngAudioGlobals) {
     return function(id) {
 
-        window.addEventListener("click",function twiddle(){
-            audio.play();
-            audio.pause();
-            window.removeEventListener("click",twiddle);
-        });
+        if (ngAudioGlobals.unlock) {
+
+            window.addEventListener("click",function twiddle(){
+                audio.play();
+                audio.pause();
+                window.removeEventListener("click",twiddle);
+            });
+        
+        }
 
 
         var $audioWatch,
@@ -266,7 +272,7 @@ angular.module('ngAudio', [])
             }
 
             $setWatch();
-        }, 25);
+        }, ngAudioGlobals.performance);
     };
 }])
 .service('ngAudio', ['NgAudioObject', 'ngAudioGlobals', function(NgAudioObject, ngAudioGlobals) {

app/partial/ngAudioDocs.html

@@ -51,6 +51,14 @@ <h4>ngAudio Service Reference</h4>
             <td>unmute()</td>
             <td>Globally unmutes all the sounds.</td>
         </tr>
+        <tr>
+            <td>performance : Number</td>
+            <td>Changes the interval that Angular Audio observes the audio. A lower number here will improve responsiveness at the cost of processor power.</td>
+        </tr>
+        <tr>
+            <td>unlock = true : Boolean</td>
+            <td>If true, attempts to 'unlock' audio files so that they work on mobile devices. Disabling this can break this library in mobile!</td>
+        </tr>
     </table>
 </article>
 <article>