Bump zeromq version

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Fix cgroup grep when installing VMs

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Fail if containers cannot be created

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Update OVS build requirements

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Tidy up OVS compile/install

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Update Ryu dependencies

Signed-off-by: Joe Stringer <joe@wand.net.nz>
fetch: Change directory more consistently

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Make zeromq install more consistently

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Minor cleanups

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Allow rftests to be run from top level

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Add python-bson to dependencies

This dependency was missing when building with zeromq as the transport
for RFProtocol.

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Ensure that git branches are always checkout out

We would previously only change branches when updating.

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Improve usage description

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Added LSP tables and initial calls
Syntax  changes
Adding more LSP functionality
Added MPLS transit LSP support
Egress LSP support added
Working MPLS LSPs for the core
Merge branch 'vandervecken' of https://github.com/deanpemberton/RouteFlow into vandervecken