New "netlink" package, moved from libcontainer

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Move network initialization to network package

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Initial VXLAN documentation with instructions.

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
Merge pull request #99 from aanand/extensions

Fixes for buildability
Merge pull request #97 from erikh/extensions

Initial VXLAN documentation with (broken) instructions.
Merge remote-tracking branch 'remotes/LK4D4/new_brave_network' into extensions

Conflicts:
	daemon/daemon.go
initial vxlan PoC

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
Merge pull request #101 from erikh/vxlan

initial vxlan PoC
Fill out generic postCmd endpoint
Implement 'docker nets [ls]'
Disable job stderr output for now
Implement 'docker nets create'
Implement 'docker nets rm'
Implement join and leave