Initial commit of upsell to the new branch
Lots of changes, but not quite finished
Fix a few things to make sure that the current module doesn't break anything
Merge branch '7.x-4.x' of github.com:JacksonRiver/springboard_modules into 7.x-4.x-upsell
Merge pull request #245 from JacksonRiver/7.x-4.x-upsell

7.x 4.x upsell module