added authentication user stories
added authentication user stories

serdardalgic/bikesurf.org,GrahamHPope/bikesurf.org,GrahamHPope/bikesurf.org,F483/bikesurf.org,serdardalgic/bikesurf.org,GrahamHPope/bikesurf.org,GrahamHPope/bikesurf.org,F483/bikesurf.org,serdardalgic/bikesurf.org,serdardalgic/bikesurf.org,serdardalgic/bikesurf.org,F483/bikesurf.org,F483/bikesurf.org,F483/bikesurf.org,GrahamHPope/bikesurf.org