Add location into CM_Frontend_Environment
Add test for environment location
Add setters for Frontend Environment
Introduce CM_Request_Abstract->getLocation()
Store location on Render's Frontend_Environment
Use default values on get not when value is set
Streamline setters, add docus
Make sure objects exist before they are passed to setters
Remove CM_Model_Location->_getRequestLocationByRequest()
Be more strict about location
Adjust FF Location test
Upgrade mocka to 0.3.0
CM_Frontend_Environment: Allow to pass nulls to setters, add test coverage
Adjust doce
Change setValueByRequest -> setValueByEnvironment

- rename method
- adjust usages in tests
Merge pull request #1273 from tomaszdurka/issue-1273

BREAKING: Store request location on Frontend_Environment