Add HA specific config
This commit adds the basic configs for the work
so far on porting the HA model.
- adds galera class group
- adds enable_ha to hierarchy
- adds clientcert to hierarchy (to allow cert based
overrides to codify things like active/passive for
tests)
- adds the 13 role HA scenario
- adds ha specific hiera defaults
- adds example user data for 13 node scenario
- adds scenario specific data mappings
- add hiera data based on load_balancer certs names
to allow active/passive
- adds ha specific hiera global params
- adds additional role mappings for ha
Improve data model docs.
Merge pull request #120 from bodepd/data_model_docs

Improve data model docs.
Revert "Use cisco rabbitmq and mysql modules"

This reverts commit 26702fcc56515c90768421703395394a00a6379f.
Merge pull request #121 from bodepd/revert_cisco_module_update

Revert "Use cisco rabbitmq and mysql modules"
Merge pull request #100 from bodepd/ha_config

Add HA specific config
Merge pull request #117 from robertstarmer/master

Update README and common.yaml
Merge branch 'master', remote-tracking branch 'upstream/master'
Fix README scripted install instructions

The /master branch path was missing in the raw URLs and
the parameters for the puppet agent run were confusing