Small fixes

- Comments about isAdmin vs isSiteAdmin

- Extra config line added to bootstrap.default.php for the built in e-mail
  system
Merge branch 'master' into develop

Conflicts:
	app/Config/bootstrap.default.php
Removal of deprecated code

- The flag private is deprecated, removed together with the code that was
  affected by it
Merge branch 'removeprivate' into develop
Some fixes to indeces not set

- Affecting Event creation, attribute deletion remotely and logging of
  event deletion
Removed some obsolete code

- getName functions removed

- Fixed a reference to it in the logable behaviour
Issue with Correlations going missing

- Update to the delete in afterSaveCorrelation