correct cronjob for 3.0
correct path
Update auth.rst

simple type in validator rules
Merge pull request #1494 from rightnowweb/patch-4

Update auth.rst
Update auth.rst

Considering this is a tutorial I added the use Cake\Event\Event; statement as you get errors when trying to use beforeFilter without it. While reading these docs should familiarize themselves with namespaces it might be a good idea to include the code needed to complete the tutorial.
Update authentication.rst

I changed the few things I noticed. There may be other areas that need to be updated as well. I'm actually programming & testing a few things related to authentication so I'll keep my eyes open.
Merge pull request #1496 from rightnowweb/patch-6

Update authentication.rst
Merge pull request #1495 from rightnowweb/patch-5

Update auth.rst
Fix a bunch of incorrect code examples in the Auth docs.
Inline API docs.

The 3.x style for docs does not have separate API sections. Instead
method anchors are added inline.
Fixed typo
Merge pull request #1497 from cakephp/authentication-tutorial

Update Authentication tutorial
Fix mistake.
Merge pull request #1445 from dereuromark/3.0-cronjob

correct cronjob for 3.0
Update file-folder.rst

changed loading to use namespaces instead to be consistent with the way it's being done everywhere else.
Merge pull request #1499 from rightnowweb/patch-7

Update file-folder.rst
Added missing "use" statement.
Merge pull request #1500 from jtraulle/patch-1

Added missing "use" statement.
Update views.rst

Fixed misplaced echo where short tag can be used.
Merge pull request #1502 from oldskool/patch-3

Update views.rst