webadmin: revert refresh synchornization

- Revert Change-Id: I8742785cb9b3d890c39859586b03cd53c64b31e5
  As this patch created a bunch of unforseen regressions.
- Properly fixing those issues will take longer than the time
  we have for 3.4

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1066953
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1066489
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1066956

Change-Id: I00c0454852f875d7d2b6734caebda63af47b7eb0
Signed-off-by: Alexander Wels <awels@redhat.com>