Revert "Fix configuration default values"

This reverts commit c4cda2d0664fbe443bb92d92a8aba9719cf4d92f.
Revert "Add custom actions (2)"

This reverts commit d7334789b3940c084fd06e652eb8d1591b370e55.
Revert "Add custom actions (1)"

This reverts commit f55064d83bac93a989cda5a621e550fca690d451.
Revert "Switch to Apache commons-configuration properties for configuration"

This reverts commit e0602866e2a7801cdb30f20a5dcf3e81f7a4ad85.