Minor changes to the kit and scan barcode modules
merged
Merge pull request #34 from david-allen-tessella/fix_tests

Changed default model so that setLabwareFromBarcode returns a promise
refactored Kit Binding presenter and removed the binding complete presenter. Hooked up printer functionality
Merge pull request #35 from mikemases/Refactoring_Kit_Binding

Refactoring kit binding
Merging in Mike's changes