[deltacloud-devel] small bits of JS logic for package selection

[Jakub Steiner]

Bring back the checkbox behavior we had when using the metagroups. Applies on next: b123fa5a730abf7f9954978a3b05aa6b5a5eab88

[PATCH 1/2] Remove unused disclosure triangle JS
[PATCH 2/2] Add all packages if the collection checkbox is checked.