initial role for common prerequisites
initial postgresql setup
readme update
Merge branch 'master' into role-common
added temporary templates
vagrant example
Merge branch 'role-common' into role-owncloud
added meta on where the current role came from
Merge branch 'role-postgresql' into role-owncloud
owncloud role mostly complete

- lacks integration with nginx/php5 setups
- lacks proper documentation
added missing variable quotes
refined common packages
Merge branch 'role-postgresql' into role-owncloud
Merge branch 'role-common' into role-owncloud