Rename database_url to database_spec
Rename database_url to database_spec

sdolmo/sinatra-activerecord,janko-m/sinatra-activerecord,avillanu/uberapp,ZalmanB/sinatra-activerecord,avillanu/uberapp,exviva/sinatra-activerecord,townie/sinatra-activerecord,BrunaNett/sinatra-activerecord