JIRA: improve detach volume dialogue

See https://pods.iplantcollaborative.org/jira/browse/ATMO-581
JIRA: make notifications persistent

See https://pods.iplantcollaborative.org/jira/browse/ATMO-571
JIRA: add back button to breadcrumb bar

See https://pods.iplantcollaborative.org/jira/browse/ATMO-560.  This is
reverts the colors to match the app to make it more obvious the links
are clickable.