Improve console printing for the DHCP client to output line
  breaks properly on Xen consoles.
Bump to version 2.1.1
update opam version
Merge branch 'master' of git://github.com/nojb/mirage-tcpip into nojb-master
Merge pull request #90 from avsm/console-printing

Improve console printing for the DHCP client to output line
Merge branch 'master' of git://github.com/nojb/mirage-tcpip into nojb-master
release 2.1.1
Merge branch 'nojb-master'

Conflicts:
	lib/META
	opam
	setup.ml
Add CHANGES entry