Feature/ngui bugfixes

Fixes for:

COOPR-457
ngui: cannot open cluster in new tab (unauthorized)

COOPR-64
Confirmations should mention item being acted upon

COOPR-512
Time remaining for each some steps defaults to 45 years
@ajainarayanan it is code that we know, since we are writing it.

@nistala don't want to bake in that the action is $resource - related. You should be able to "confirm" anything.