[ticket/11700] With namespaces interface will no longer be a valid classname

PHPBB3-11700
[ticket/11700] Modify all code to use the new interface names

PHPBB3-11700
[ticket/11700] Implement namespace loading in the class loader

PHPBB3-11700
[ticket/11700] Instantiate the class loader with namespace rather than prefix

PHPBB3-11700
[ticket/11700] include and define are not valid class names

PHPBB3-11700
[ticket/11700] Load namespaced classes in tests

PHPBB3-11700
[ticket/11700] Use a new style constructor for the error collector

PHPBB3-11700
[ticket/11700] Load the dbms with namespaces

PHPBB3-11700
[ticket/11700] Add develop scripts to use namespaces and rename interfaces

PHPBB3-11700
[ticket/11700] Move all recent code to namespaces

PHPBB3-11700
[ticket/11700] Namespaces and class names should not start with digits

PHPBB3-11700
[ticket/11700] Fix number class names in 3.0.x migrations

PHPBB3-11700
[ticket/11700] Fix avatar tests

PHPBB3-11700
[ticket/11700] Fix config db tests after namespace mishap

PHPBB3-11700
[ticket/11700] Fix dbal tests after config namespace mishap

PHPBB3-11700
[ticket/11700] Fix class loader tests for namespaces

PHPBB3-11700
[ticket/11700] Fix config namespace mishap in cache tests

PHPBB3-11700
[ticket/11700] Fix expected class name output from dbms convert

PHPBB3-11700
[ticket/11700] Correclty use namespaces in notifications

PHPBB3-11700
[ticket/11700] Use underscores for generated search test wrappers

PHPBB3-11700