Fix assertion.
Fix assertion.

We were generating a new salt every time the makeAssertion funciton was
called. This would cause a verification failure beacuse the remote
assertion would be different from the local assertion.

bdgio/msol-site,bdgio/msol-site,kayaelle/msol-badger,kayaelle/msol-badger,mozilla/openbadger,mozilla/openbadger,kayaelle/msol-badger,bdgio/msol-site