Allow collectionType to fallback to generic Backbone.Collection. Fixes tests / functionality broken by 8bfdf0338bc3a1422b72a7a701213d9fc300f3b5 / #294
Allow collectionType to fallback to generic Backbone.Collection.
Fixes tests / functionality broken by 8bfdf0338bc3a1422b72a7a701213d9fc300f3b5 / #294

nikolas/Backbone-relational,PaulUithol/Backbone-relational,matghaleb/Backbone-relational,nikolas/Backbone-relational,PaulUithol/Backbone-relational,matghaleb/Backbone-relational,Feasul/Backbone-relational,Feasul/Backbone-relational,goodwall/Backbone-relational,closeio/Backbone-relational,airbnb/Backbone-relational,leeleo26/Backbone-relational,xcambar/Backbone-relational,leeleo26/Backbone-relational,BothMedia/Backbone-relational,xcambar/Backbone-relational,goodwall/Backbone-relational,closeio/Backbone-relational