[views] make knockout not flicker the page on load
[views] AbstractList: Add loading indicator
[views] AbstractList: Add an error indicator & use it for IO fails
[views] AbstractList: Use error indicator for group selection
[views] Dashboard.User backport error box from AbstractList
Merge pull request #85 from gicmo/KOflicker

Workaround for KO flicker + loading & error reporting for User Dashboard & AbstractList

LGTM