Upgrade petclinic-grails to Grails 2.2.0.
Merge pull request #7 from scottfrederick/master

Upgrade petclinic-grails to Grails 2.2.0.
Remove serverURL from config.
Merge pull request #8 from scottfrederick/serverurl

Remove serverURL from config.
Added README.md and home.jsp link to env endpoint