Require custom local dependencies instead of their default version

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

js/simplewebrtc/localmedia.js

@@ -1,6 +1,6 @@
 var util = require('util');
 var hark = require('hark');
-var getScreenMedia = require('getscreenmedia');
+var getScreenMedia = require('./getscreenmedia');
 var WildEmitter = require('wildemitter');
 var mockconsole = require('mockconsole');
 

js/simplewebrtc/webrtc.js

@@ -1,7 +1,7 @@
 var util = require('util');
 var webrtcSupport = require('webrtcsupport');
 var mockconsole = require('mockconsole');
-var localMedia = require('localmedia');
+var localMedia = require('./localmedia');
 var Peer = require('./peer');