Add a context identifier that is the namespace of the controller being executed.
Add a context identifier that is the namespace of the controller being executed.

This allows for listening to events (dispatch) only for specific modules
(namespaces).

MadCat34/zend-mvc,turrsis/zend-mvc,MadCat34/zend-mvc,svycka/zend-mvc,ezimuel/zend-mvc,svycka/zend-mvc,ezimuel/zend-mvc,turrsis/zend-mvc