Added parameters to beforeSave and afterSave

Errors show up in cakephp 2.5 regarding beforeSave and afterSave needing to match the core functions.
Merge from michalg
Merge branch 'master' of https://github.com/alscheuring/LogAction-Plugin into alscheuring-master

* 'master' of https://github.com/alscheuring/LogAction-Plugin:
  Added parameters to beforeSave and afterSave