Merge pull request #2159 from fnack/nhdp_prot

Makefile.dep

...nf_api/0005-only-define-container_of-when-necessary.patch

pkg/oonf_api/0006-if_index-is-not-used.patch

...onf_api/0007-Use-RIOT-s-container_of-implementation.patch

pkg/oonf_api/0008-Dissolve-enum-into-single-defines.patch

pkg/oonf_api/0009-Add-missing-include.patch

pkg/oonf_api/0010-Change-index-of-array-from-0-to-1.patch

sys/Makefile

sys/Makefile.include

sys/include/timex.h

sys/net/routing/nhdp/Makefile

sys/net/routing/nhdp/iib_table.c

sys/net/routing/nhdp/iib_table.h

sys/net/routing/nhdp/lib_table.c

sys/net/routing/nhdp/lib_table.h

sys/net/routing/nhdp/nhdp.c

sys/net/routing/nhdp/nhdp.h

sys/net/routing/nhdp/nhdp_address.c

sys/net/routing/nhdp/nhdp_address.h

sys/net/routing/nhdp/nhdp_reader.c