Add postgresql installation
Add tomcat installation
Rearange postgresl classes
Add 'file managed by puppet' comment to templates and files
Amend init.pp documentation
Add documentation to postgresql manifests
Add documentation to tomcat manifests
Update README.md
Change stage orde depending on 'ensure' value
Make tomcat config removable
Make tomcat install removeable
Make postgresl removeable
Add package resource for java 1.7.0