Add reference to `sails-cassandra` adapter.
Add reference to `sails-cassandra` adapter.

3032441712/waterline,AlexisNo/waterline,mmiller42/waterline,atiertant/offshore,Zaggen/waterline,antoniopol06/waterline,jonniedeb/waterline,dmarcelino/waterline,jianpingw/waterline,Atlantis-Software/offshore,ctartist621/waterline,Atlantis-Software/waterline,particlebanana/waterline,kriswill/waterline,contra/waterline,waterlinejs/waterline,devinivy/waterline,moklick/waterline,tjwebb/waterline,scippio/waterline,citizenken/waterline,hippich/waterline,metidia/waterline,luislobo/waterline,balderdashy/waterline,mcanthony/waterline,listepo/waterline