Add key handling to MODx.Console, disable destruction on close
Visualize focus state of checkbox, listboxes, buttons
Fix z-indexes
CSS file leanup
Fix oscillating selection in dropdown menus
z-index cleanup and fix
Manager UI Fixes

Merge remote-tracking branch 'danyaPostfactum/uifixes' into uifixes

* danyaPostfactum/uifixes:
  z-index cleanup and fix
  Fix oscillating selection in dropdown menus
  CSS file leanup
  Fix z-indexes
  Visualize focus state of checkbox, listboxes, buttons
  Add key handling to MODx.Console, disable destruction on close
Update changelog for Various UI Fixes
Fix Various Manager UI Bugs

Merge branch 'uifixes' into release-2.2

* uifixes:
  Update changelog for Various UI Fixes
  z-index cleanup and fix
  Fix oscillating selection in dropdown menus
  CSS file leanup
  Fix z-indexes
  Visualize focus state of checkbox, listboxes, buttons
  Add key handling to MODx.Console, disable destruction on close