Add UIP_CONF_ND6_SEND_NA to contiki-default-conf.h
Disable IPv6 Neighbor Discovery Protocol by default on the sky platform
Merge pull request #689 from sieben/doc

Closing doxygen groups
Merge pull request #667 from simonduq/ipv6-ndp-in-default-conf

Add UIP_CONF_ND6_SEND_NA to contiki-default-conf.h
Merge pull request #678 from simonduq/sky-disable-ndp

Disable IPv6 Neighbor Discovery Protocol by default on the sky platform