Fix bug in ViewUpdater where hierarchy tree was not fetched again

Needed to reset the currently saved job id in the view, so that the
hierarchy tree is fetched again.

Change-Id: I0527672491a7da9fd6e0611065aae484280a17b2
Signed-off-by: Denis Knoepfle <denis.knoepfle@sap.com>
Merge pull request #148 from DenisKnoepfle/master

Fix bug in ViewUpdater where hierarchy tree was not fetched again