Enable console logging for Ironic baremetal VMs

Logs console output of VMs created for use by Ironic to
$DATA_DIR/ironic/logs. This gives Jenkins something to archive
that will be useful for debugging any deployment ramdisk issue
blocking provisioning.

Change-Id: I7d234a6a13dbe8579f685e46d7712dae497272a5
Add support for deprecated configuration vars in Juno

Just like the beginning of every other release, remove the deprecated
config option aliases that were marked as deprecated in Icehouse.

Nova patch - https://review.openstack.org/#/c/88456/

Change-Id: Idd051c516002030e8e191c7b8d31f1ff408e1c7d
Re-enable Swift3 middleware support in DevStack

Because *swift* in no more allowed in ENABLED_SERVICES (see
I78222d7ee2ea8a281962129d5bcf06c118469510) swift3 middleware to
swift could not be installed anymore. This patch thighten a check
to allow swift3 (but not swift) in ENABLED_SERVICES.

Change-Id: I194f66ae7e5163e0e6178561b09f55024fdaa607
Configure Horizon to use SSL-enabled Keystone

SSL can be enabled in Keystone when devstack is executed.
Horizon was not being configured to use the SSL port so
authentication was failing.

Change-Id: I253766d359aaab0bd1f844a8a637adc77e8eee2b
Closes-Bug: 1293749
Merge "Re-enable Swift3 middleware support in DevStack"
Merge "Enable console logging for Ironic baremetal VMs"
Merge "Add support for deprecated configuration vars in Juno"
Merge "Configure Horizon to use SSL-enabled Keystone"
Merge branch 'master' of github.com:openstack-dev/devstack