Remove the check_credentials function.
Remove the check_credentials function.

The check_credentials function was deprecated in favour of a credential checking dispatcher. Also remove the AuthenticationError used by the check_credentials function.

	modified:   src/python/apache_utils.py

alexanderrichards/LZProduction,alexanderrichards/LZProduction,alexanderrichards/LZProduction,alexanderrichards/LZProduction