[#41255325] Moved settings_local*.py templates back to the main project dir since they are not getting picked up by Fabric from the template subdir.
[#42659427] Added ISA_TAB_DIR and ISA_TAB_TEMP_DIR to settings.py.  Changed default value of FILE_STORE_DIR.
[#41255325] Replaced DOWNLOAD_BASE_DIR with STATIC_ROOT in create_refinery_data_dirs().