fix various JShint errors

app/AppInspector/app/store/Records.js
 * line 35  col 21  Duplicate key 'type'.

app/AppInspector/app/util/InspectedWindow.js
 * line 61  col 21  Unreachable 'break' after 'return'.
 * line 65  col 21  Unreachable 'break' after 'return'.

app/AppInspector/app/ux/data/proxy/InspectedWindow.js
 * line 17  col 19  'scope' is already defined.
CHEANGELOG added