SC.BInding - Adds a transform that aggregates through a function the values at given paths.
SC.Binding.mix - move the aggregate function to the end of the arguments list. The binding will be created using something like SC.Binding.mix( "path1", "path2", "path3", function() )
SC.Binding and + or transform: accept an unlimited number of paths
Merge pull request #1285 from mirion/master

SC.Binding - Adds a transform that aggregates through a function the values at given paths.