added function to delete a project added function to check if a project is empty
added function to delete a project
added function to check if a project is empty

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