Add Helios SUnit commands for
  1. Select all classes
  2. Invert selected classes
  3. Invert selected packages

Speed up display of select all by just adding / removing classes on
list items instead of redrawing the whole list.

Rename privateSelectedClasses to more descriptive unfilteredSelectedClasses
Update lists on new classes being added
Helios sunit add some class comments
Helios SUnit - Add css to color status in results pane
Helios Sunit Resize error and failure result lists
Merge pull request #975 from rcsimm/helios-sunit

Helios sunit