Region switcher: Increase max-width to prevent cutoff
Notifications: New alert style

-Move corner alert to pop up under notification area, intead of in the
 window corner, for better visibility

-Give alert box tooltip appearance
Notification area: Show more detail in errors

-Show actual error message (if available) in the notification item

-Minor layout/padding tweaks
add quiesceVm vm helper function
List view: Fix refresh not loading multi-select column
Events UI: Implement multi-select delete/archive actions
Alerts UI: Implement multi-select delete/archive alerts