Changed Icons

Change-Id: Ifc112a6f902d7138872108378914e2d4af89357f
Signed-off-by: Simon Scholz <simon.scholz@vogella.com>
Added Timestamp so that the latest changed entry will be on top

Change-Id: I9471b0cd9769e0719bd2952fc9bdbcd2ced7a798
Signed-off-by: Simon Scholz <simon.scholz@vogella.com>
Added new ToolControl to change the layout of the Tree

Change-Id: I0095ffdf6caa4b0e581d229d412239c06423a440
Signed-off-by: Simon Scholz <simon.scholz@vogella.com>