ZF-2116: View Layouts

Description

Provide layout implementation that allows for dependency injection from the that are composed in the layout

Comments

Testing is done. There is one additional feature to add, and the remainder is documentation. We will need to update the documentation Makefile to allow for an additional level of depth for pages so that helpers can be on their own pages.

Ralph is making some final changes that make the plugin more robust when exceptions occur during rendering. Once these are tested and documentation done, we can promote to core.

Ralph has committed some changes to Zend_Layout to make it more robust when exceptions occur during layout rendering. Once these are tested and documentation is written, we can promote to core.

Zend_Layout and all related functionality merged to core in r7078