Merge pull request #143 from DenisKnoepfle/master

Fix progress bugs and improve Active Run View
Fix a bug found by FindBug concerning serialization

The class ProblemOccurrence needed to implement Serializable. Changed
type of rootCauseLocation from Object to Serializable as well.

Change-Id: I04f25682035ccdb9f488111637a81981f62ec315
Signed-off-by: Denis Knoepfle <denis.knoepfle@sap.com>
Small cosmetic change in Active Run View

Removed the progress string in the label because it was redundant with
the text in the tree viewer. Fixed formatting for progress.

Change-Id: I521d6ab800782ec3fbf3434570495f2e9f5fb66b
Signed-off-by: Denis Knoepfle <denis.knoepfle@sap.com>