set holland backup to minute based on container IP

- modulo 60 the container ip after casting it to an int - use this as the minute for the backup time
- set backup hour to 23
- set backup days to all
- add full path of holland binary
no need to include individual container IPs when including container cidr
Merge pull request #322 from mancdaz/master-142

no need to include individual container IPs when including container cidr in haproxy memcached whitelist
Merge pull request #321 from mancdaz/master-136

set holland backup to minute based on container IP
Templated out iscsi options in the cinder.conf

This change adds templated options for iscsi within cinder. This
change was to allow use to set sensible options within the cinder.conf
file that may be required in several different senarios.
Merge pull request #329 from cloudnull/cinder-updates

Templated out iscsi options in the cinder.conf
further refined the dynamic inventory script for multiple configs
update git_install_branches to point to head of stable/juno
Merge pull request #332 from mancdaz/master-juno-stable

update git_install_branches to point to head of stable/juno
Merge branch 'master' of https://github.com/rcbops/ansible-lxc-rpc into swift-new
Adjust the ring_builder to use the inventory file

The ring builder was using the rpc_user_config.yml, but the
inventory file should be the source of all truth.

* Adjust to use json instead of yaml
* Adjust to use the vars as they appear in the inventory file.
Merge branch 'dynamic-inventory-confd' of https://github.com/cloudnull/ansible-lxc-rpc into inv_test

Conflicts:
	rpc_deployment/inventory/dynamic_inventory.py
Merge branch 'master' of https://github.com/rcbops/ansible-lxc-rpc into inv_test
Merge branch 'swift-new' of https://github.com/andymcc/ansible-lxc-rpc into inv_test