audit mail text changes: easier to understand.
spelling error
change dry-run default to True. It is now required to activate the module in the control panel after installation.
update version, and depend on newer p.a.registry for uninstall
migrate and uninstall
avoid making non-primitive objects persistent. Instead, use the collection support of plone.registry.
Only send audit mail if transitions were made
do not set the flag setEnableAutopublishing=False after transitioning, blocking future actions
make this an alpha release - still work in progress