Improved AdminLTE loading
Improved AdminLTE loading

Skip loading of AdminLTE for JSON and AJAX requests, falling back
on the regular CakePHP View.  Also, refactoring the logic of the
loading into a separate protected method, so that extending classes
can overwrite if necessary.

QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp