add __eq method for ipv6
move ipv6 tests to a new file
Merge branch 'l3-multi-destinations' of https://github.com/scholzd/MoonGen into scholzd-l3-multi-destinations

Conflicts:
	lua/include/packet.lua
Merge branch 'l3-multi-destinations' of https://github.com/scholzd/MoonGen into scholzd-l3-multi-destinations
typo
Merge branch 'scholzd-l3-multi-destinations'
Merge branch 'master' into l3-multi-destinations