Added interface as commanlineoption. Fixes #7
enable CONFIG_IPV6_ROUTER_PREF and CONFIG_IPV6_ROUTE_INFO which are necessary for the EMOS Hexabus setup
set default value of accept_ra_rt_info_max_plen to 64
[wizard] enable navigation buttons also in case of an error
updated wizard, heartbeat and fsync to reflect changes in the api
added .gitignore to ignore hexabus repositories
[wizard] callback for registration added and last page of wizard optimized