Added missing methods in datamanager ...
Added missing methods in datamanager ...

... still calling Shinken base class for get_business_parents and
guess_root_problems

mohierf/mod-webui,rednach/mod-webui,vizvayu/mod-webui,shinken-monitoring/mod-webui,mohierf/mod-webui,shinken-monitoring/mod-webui,vizvayu/mod-webui,rednach/mod-webui,shinken-monitoring/mod-webui,mohierf/mod-webui,rednach/mod-webui