Added test/lib/simpletest for php unit tests.
wip: Mongo
wip: Mongo build path
wip: Mongo. Tests pass
Refactor ModelMapper and MongoMapper
Rename ModelMapper->MapperModel
wip: sf api; user methods
wip: sf api; user methods delete nyi
Merge remote-tracking branch 'origin/master' into feature/mongo

Conflicts:
	src/config/routes.php