engine,userportal,webadmin: Event log->Event list/pane

- Replaced all user facing instances of Event log with
  either Event list or Event pane based on if they showed
  up exclusively in the UI or not.

Change-Id: I582ceaa91b934446812dfad77dd86068beed0125
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1162824
Signed-off-by: Alexander Wels <awels@redhat.com>