Merge pull request #98 from DenisKnoepfle/master

Add plug-in fragment as test plug-in for the UI (#68)
Minor change

Changed catched exception to error.

Change-Id: I12f4da45dfaa523071cda751cd69e2d9f4a7a64e
Signed-off-by: Denis Knoepfle <denis.knoepfle@sap.com>
Update DS icons

Change-Id: Idcc41aa13edf8e6467129f9876b6e7c215c930f3
Signed-off-by: Denis Knoepfle <denis.knoepfle@sap.com>