#164 Clean-up configuration table
#164 Clean-up configuration DAO
#164 Clean-up scheduled service & JMX export
#164 Clean-up admin button
#164 Preliminary reformatting of branch.js
#164 Clean-up configuration (wip)
#164 Clean-up configuration (service layer)
#164 Clean-up configuration dialog
#164 List of promotion levels
#164 Correction of constraint
#164 Upgrade of H2
#160 header.js has a dependency on jquery
#164 Clean-up configuration is now OK
#164 Getting the list of builds to delete
#164 Actually deleting the builds