Revert "Merging toolbar porltet manager on portlets"

This reverts commit 4ed7b226ee980cd5604bdc4b0aeb4a587713e729.
Revert "Remove DL's from portal message in templates."

This reverts commit e94382f1844a334af94135744c099a31e5e06f7b.

Conflicts:
	CHANGES.rst
Register portlets if plone.app.event is not installed.