Updates for HA
sorted out config file formatting
Added haproxy to stock install
Reconfigure memcached to listen for external network connections
Use relation data from keystone
openstack-common: increase server/client timeout to 10seconds
Switch haproxy to run as clone
Remove memcache reconfiguration - not required
Fix upgrade handling
First cut of port reordering during clustering
Add HTTPS support
-add health_checks.d, add_to_cluster and remove_from_cluster scripts
-create a bash save_script_rc function which creates a local scriptrc file
 comparable to our python-based function
convert any spaces to '+' to avoid causing array for loop problems
Increase data flow timeout in haproxy to 30s
OPENSTACK_URL_HORIZON fix for service_url_checks
Synchronize charm helpers across all current ha branches.
Sync openstack charm helpers.
Sync openstack-common.
more strict netstat port matching
Merge health_checks.d framework.