ZF-10568: Zend_Application should accept file of configuration of the type *.json and *.yaml


With adition of new formats configuration (json and yaml) in ZF-1.11. Zend_Application should has this acceptance.


Attached patch with tests and changes in the documentation.

Patch reviewed and applied to trunk and 1.11 release branch -- thanks!

Fixed in ZF2 with GH-410