Add emr scanner

@@ -104,7 +104,6 @@ class EMRClusterScanner(object):
     def gitUpdate(self):
         cmd = 'cd /opt/projects/yoho-ansible-roles/;git pull;git add {0};git commit -m "Update bigdata inventory file"; git push'.format(self.inventoryFile)
         os.popen(cmd)
-        time.sleep(20)
         return True
     
     def updateEMRInventory(self):