Detail view: Cleanup old tab content on change
Detail view: Cleanup old tab content on change

Add event handler on tab change to remove all old tab content. This prevents
potential conflicts with referencing widget data caused by old content laying
around.

jcshen007/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,jcshen007/cloudstack,resmo/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,resmo/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,resmo/cloudstack,jcshen007/cloudstack,wido/cloudstack,wido/cloudstack,wido/cloudstack