Make notifier user service request page size configurable
Make notifier user service request page size configurable

mitodl/configuration,edx/configuration,edx/configuration,stvstnfrd/configuration,edx/configuration,EDUlib/configuration,EDUlib/configuration,appsembler/configuration,appsembler/configuration,appsembler/configuration,arbrandes/edx-configuration,EDUlib/configuration,stvstnfrd/configuration,stvstnfrd/configuration,mitodl/configuration,edx/configuration,mitodl/configuration,stvstnfrd/configuration,appsembler/configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,stvstnfrd/configuration,arbrandes/edx-configuration,EDUlib/configuration,mitodl/configuration,EDUlib/configuration