Merge pull request #205 in ZP/z-push from bugfix/ZP-881-change-zcp-server-location-for-listfolders to develop

* commit '3633fd8e':
  ZP-881 Updated copyright year.
  ZP-881 Define ZCP server location for listfolders depending on ZCP version.

Conflicts:
	src/backend/zarafa/listfolders.php