Finished RenderRackspace. Fixed several bugs.

Signed-off-by: Alexander Kastius <alexander.kastius@student.hpi.uni-potsdam.de>
Ported userlist-Module.

Ported renderCellList function.

Deleted a .save file, seemed to be an bug within eclipse that generated it -> unnessessary.

Signed-off-by: Alexander Kastius <alexander.kastius@student.hpi.uni-potsdam.de>
Added first version of documentation.
Has to be adjusted later on.

Signed-off-by: Alexander Kastius <alexander.kastius@student.hpi.uni-potsdam.de>