Merge pull request #4 from Phil0xF7/master

Add new URL Check widget
Subject: new widgets
author: neilson
-added new query widget
-removed 'randomchart' widget which was breaking layout
-added 'graph2' widget to work on treshold changes
TODO
-added treshold changes to 'graph2' when query job is sent to it
Merge pull request #5 from Phil0xF7/master

Refactored url check widget code