[SQUASH ME] iphc_cbuf: update unittests for new IPv6 addresses
[SQUASH ME] unittests iphc_cbuf: add make value macros not random
[SQUASH ME] tests sixlowpan: Add setters for options
core: Fix msg_send_receive

Fixes #1935
[SQUASH ME] ipv6: some fixes to v_tc_fl getters and setters
[SQUASH ME] sixlowpan.core: pointer fixes
[SQUASH ME] sixlowpan.hc: fixes and tests
[SQUASH ME] framework