[9815] - http://tracker.modx.com/issues/9815
Better ExtJS components "redraw" when resizing the browser

(cherry picked from commit 18e2933aef4d9ffbff2dd3c95d5279469a33328c)
Missed grid…

(cherry picked from commit f254102018cad360561eba9ec21a79cb694566d7)
Remove executable bits from js files
[#9815] Improved manager redraw on browser resize

add changelog entry
[#9815] Improved manager redraw on browser resize

Merge branch 'bug-9815' into release-2.2

* bug-9815:
  [#9815] Improved manager redraw on browser resize
  Remove executable bits from js files
  Missed grid…
  [9815] - http://tracker.modx.com/issues/9815 Better ExtJS components "redraw" when resizing the browser