Disable report build analytics by default

Fix for #270
node_quota_files should be 80000
Change DB cart default to MySQL
Merge pull request #295 from nhr/switch_db_default

Change DB cart default to MySQL
Revise conf_broker_auth_private_key config

- Generate the public key from the private key
- Update the permissions on the private and public key
- Notify the broker service on auth key changes
- Remove conf_broker_auth_key_password
Merge pull request #296 from detiber/brokerAuthKey

Revise conf_broker_auth_private_key config
fix broker_auth_private_key owner/group
Merge pull request #298 from detiber/brokerAuthKey

fix broker_auth_private_key owner/group
Merge pull request #293 from andrewklau/patch-5

node_quota_files should be 80000
Merge pull request #287 from andrewklau/patch-3

Disable report build analytics by default
Allow for reverse proxy as authentication option
Only allow proxyhosts to access broker directly
Quickfix for cartridge-dependencies packages
Add default max gears and domains option
Add option to distribute node certs
Add extra district, zone and region options
Add update_network_conf_files option

Conflicts:
	manifests/init.pp
Add custom motd option
Merge
Add custom motd option
Allow for reverse proxy as authentication option
Only allow proxyhosts to access broker directly