fixes for ceilometer recipes

- made git repo and branch vars
- removed ceilometer-db recipe from common
- changed default branch for attributes
- added conf attr for periodic interval
- added conf attr for specify glance registry host
- run dbsync from pkg binary and turn of logfile for api
Merge pull request #68 from jhtran/ceilometer_fixes

fixes for ceilometer recipes
updated syslog attr using nova name
Merge pull request #69 from jhtran/ceilometer_fixes

updated syslog attr using nova name
changes to add apache auth proxy in front of api
Merge pull request #70 from jhtran/add_metering_auth_proxy

changes to add apache auth proxy in front of api
We use ServerName in a lot of cookbooks -- standardize on attribute
Merge pull request #71 from retr0h/server-hostname

We use ServerName in a lot of cookbooks -- standardize on attribute
corrected ceilo db recipe
Merge pull request #72 from retr0h/ceilo-db-fix

corrected ceilo db recipe
corrected to use the ceilo db name
Merge pull request #73 from retr0h/ceilo-db-fix

corrected to use the ceilo db name
raise periodic interval default should never be this low unless dev
Merge pull request #74 from jhtran/jhtran

raise periodic interval default should never be this low unless dev
added a loop for osapi_compute_extensions
added default attirbute
readme
used old style option
Merge pull request #76 from alop/plugins

Plugins
Bind to vnc to an interface

Specify the interface the hypervisor listens for VNC requests
on, and the IP address on the hypervisor exposes for VNC request.