Update docs for breaking changes in ExceptionRenderer.
Update docs for cakephp/cakephp#4397
update docs with minor changes
Merge pull request #1663 from cakephp/exception-renderer

Exception renderer
Merge pull request #1664 from antograssiot/3.0

3.0 update consolle/shell doc
Fix typo in console docs seen in #1664
Update routing.rst

It should be 'R' instead of 'r' for adding a resource in the routes.php.
Merge pull request #1665 from leungpeng/patch-1

Update routing.rst
fix build warning