webadmin: Attach disk tables - resizable and tooltips

Attach disk tables columns are now support resizing and tool-tips.

Change-Id: I8543db5ca3833e481637d57d00677b3c68eb8fbf
Bug-Url: https://bugzilla.redhat.com/956378
Signed-off-by: Daniel Erez <derez@redhat.com>