webadmin: Removing exceeded labal from quota with 100% of use.

When a quota is using 100% of its resources, it is marked as exceeded.
Removing that, only when quota is over the 100% mark, set it as exceeded.

Change-Id: I69806a25695327d9bf23f5553f38b4f0b09f5e72
Bug-Url: https://bugzilla.redhat.com/1097223
Signed-off-by: Kobi Ianko <kobi@redhat.com>