Added the dbmaster node
Merge pull request #62 from skottler/dbmaster

Added the dbmaster node
cleanup nodes
- users/sudo are in base role
- ntp is in base role
- memcached is not on lb
- new_relic is in monitoring role
- openssh is in base role
- dns is in base role
- vagrant role
cleanup dbmaster node
update newrelic-sysmond cookbook
Merge pull request #59 from dwradcliffe/cleanup-nodes

cleanup nodes
remove capistrano-ext gem
Add xfs cookbook to base role.

Closes #61.
Merge pull request #64 from stevendanna/issue-61

Add xfs cookbook to base role.