API: creating a KBase id for a new MG-RAST id is now optional
API: creating a KBase id for a new MG-RAST id is now optional

wilke/MG-RAST,paczian/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,MG-RAST/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,wilke/MG-RAST