Revert "Setup travis to install binstubs and run specwrap"

This reverts commit 84f8d2416e5ff8b8b43c65854a06bb8323527f7e.
Revert "Add the motion-specwrap gem"

This reverts commit 7924d159e80743971051439452ee0b9e27fd2289.
Merge github.com:crowdint/spree-wrap