First hnet-based version.
Merge branch 'bugfix' into hnet
Merge branch 'master' into hnet
Fixed prefix class finding - it was starting from wrong offset. Now works.
Merge branch 'master' into hnet

Conflicts:
	README
	src/dhcpv6.c
	src/odhcp6c.h
Add support for colored address in IA_NA

Signed-off-by: Maico Le Pape <mlepape@cisco.com>
Merge remote-tracking branch 'up/master' into hnet
Merge remote-tracking branch 'up/master' into hnet
Merge branch 'hnet'

Conflicts:
	src/ra.c
Merge preliminary prefix class support