Replaced icons/images and "powered by" logo will displayed dynamically

Change-Id: Idf040511a11f4a6827d21757a66fa62e33617981
Signed-off-by: Marius Oehler <marius.oehler@sap.com>
Removed Tree and TreeItem classes

Change-Id: I9e6fb12e21d3f3a7495b94d7c17fbc7a019626a0
Signed-off-by: Marius Oehler <marius.oehler@sap.com>
Fixed tralala

Change-Id: I9cb196f7be95d7ff76a2510be566ce1e680ff066
Signed-off-by: Marius Oehler <marius.oehler@sap.com>
Merge pull request #30 from mariusoe/master

Please pull.