added options to dhcp_agent.ini

* This adds comments to the INI
* dnsmasq max lease
* allows metadata network access on 169.254.169.254/16
* allows for debug to be set

New attributes have been set as defaults
added notification driver support
fixed typo

I added notification topics, I made a typo: /nova/neutron/
Merge pull request #86 from cloudnull/notification_driver

Merged automatically by jenkins after successful build test
enabling lbaas for rhel and ubuntu
Merge pull request #89 from jrcloud/lbaas2

Merged automatically by jenkins after successful build test
Use new get_mysql_endpoint method in osops-utils

Start converting various cookbooks to use the new #get_mysql_endpoint method
which now allows people to point to a non-chef managed mysql server for all
things.

See rcbops/chef-cookbooks#597
Merge pull request #91 from claco/issue-597

Merged automatically by jenkins after successful build test
Use new get_mysql_endpoint method in osops-utils

Start converting various cookbooks to use the new #get_mysql_endpoint method
which now allows people to point to a non-chef managed mysql server for all
things.

See rcbops/chef-cookbooks#597
use global 'region' attr
Merge pull request #92 from invsblduck/issue593_region

Merged automatically by jenkins after successful build test
Remove unused l3-agent attributes
Add and gather LBaaS attributes
Remove extraneous whitespace
Remove unused variables
Fix incorrect config file path
Add device_driver attribute
Add "enabled" attribute to "lbaas" hash
Remove unused variables/attributes
Merge pull request #93 from Apsu/lbaas_fixes

Merged automatically by jenkins after successful build test