correct bool to boolean
Merge pull request #766 from cakephp/master-fixes

correct bool to boolean
[ja] follow up #631, #728, #738, #739, de18381, 553f148, f8e3768
[ja] follow up #766
[ja] follow up #763
[ja] follow up #759
don't advocate string urls
Merge pull request #771 from dereuromark/master-form

don't advocate string urls
Add note about requiring more than just an id field.