Added a reference to SHAPEFILES_DIR to the README file
Added a reference to SHAPEFILES_DIR to the README file

opencorato/represent-boundaries,datamade/represent-boundaries,opencorato/represent-boundaries,SpokesmanReview/django-boundaryservice,datamade/represent-boundaries,newsapps/django-boundaryservice,datamade/represent-boundaries,opencorato/represent-boundaries