started overhaul of CLI help

Change-Id: I5c64f8885bd55d4a3a80d065323e6ad1a9ea78a7
Reviewed-on: http://gerrit.esdi-community.eu/3176
Tested-by: Jenkins <sitemple@igd.fraunhofer.de>
Reviewed-by: Simon Templer <simon.templer@igd.fraunhofer.de>