Basic support of Ironic

Ironic is an OpenStack project than brings a
separate service for baremetal provisioning.
Currently Ironic is in incubation but it needs
to have basic support in devstack to provide
automatic deployment testing.

Change-Id: Ide65a1379fa207a6c8b2c7d9a4f9c874b10fd9ba
Disable neutron quotas when using fake virt driver

Nova's fake virt driver, can be used to do scale testing, so when using
it disable neutron's quota limits.

Change-Id: I9ce995079af04202179820777217ef294df71226
Move RHEL6 hacks to tools/fixup_stuff.sh

Change-Id: Ice983bc16379bc2bc25659c37cfc16b63fdfc34b
Fix deprecated params user_id, role_id, tenant_id

Update keystone cli by changing parameter options (user_id, role_id and tenant_id)
to use '-' rather than '_' in the method user_role_add and consequently the method
user_role_remove without maintain backward compatibility because these are deprecated.

python-keystoneclient - Bug #1150434
Change-Id: Ia5113718eb050cf7dba443b8d0caf3bdaa1730f0
Merge "Basic support of Ironic"
Merge "Disable neutron quotas when using fake virt driver"
Merge "Move RHEL6 hacks to tools/fixup_stuff.sh"
Merge "Fix deprecated params user_id, role_id, tenant_id"