Add @trigger doc blocks of methods triggering CakeEvent
Fix some missed doc block issues
Merge pull request #5299 from guywarner/add-trigger-doc-2.5

Add @trigger to doc blocks of methods triggering CakeEvent
Fix incorrect hardcoded database name.
Merge branch 'master' of https://github.com/cakephp/cakephp

* 'master' of https://github.com/cakephp/cakephp:
  Fix incorrect hardcoded database name.
  Fix some missed doc block issues
  Add @trigger doc blocks of methods triggering CakeEvent