horizon: drop nodejs dependency

since commit a0739c9423a4c559b45af96fa4cdb30539dcdbd7, horizon use
a pure Python alternative to nodejs

Change-Id: I231b453e42c303c3cc29e8bea4d7b935fecdccd2
Update vsphere image filename pattern

The vsphere image filename pattern has been updated so that semi-
colons are used to delimit image properties rather than colons,
which are not permitted in Windows filesystems. To support back-
wards compatibility, colons can still be used.

Change-Id: I29a3ac03dcae294326dc8813a66512a79f705f81
Closes-Bug: #1250319
Add Neutron Metering Agent support

In Havana, Neutron has now a Metering Agent which gets meters from
virtual routers.

This patchs aims to allow devstack using this new service.

Change-Id: I17ad83799d60384247b98cc8a93ac032f641c721
Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
Merge "horizon: drop nodejs dependency"
Merge "Add Neutron Metering Agent support"
Merge "Update vsphere image filename pattern"
Merge branch 'master' of github.com:openstack-dev/devstack