webadmin: Quota tab sorting

- Implemented sorting on Quota main tab.
  - Only for name and description
- Implemented sorting on Quota sub tabs.
  - Not implemented for VM/Template

Change-Id: I2740a5a15523da95b599de5b7acf688472d6df49
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1119873
Signed-off-by: Alexander Wels <awels@redhat.com>