Sandstorm: update sandstorm application on sandstorm app market

[dukeofcool199]

please update the app package on the sandstorm app market since there was a release that made changes to the sandstorm version in "release-0.66.0" #11278

https://apps.sandstorm.io/app/vfnwptfn02ty21w715snyyczw0nqxkv3jvawcah10c6z7hj1hnu0

the app market claims no update has been pushed since february of 2017

[rasos]

#4455

[rasos]

Missing updates also being discussed at Sandstorm: sandstorm-io/sandstorm#3129

[KevLehman]

This pull request has been inactive for a while, so we’re closing it to keep the backlog manageable.
If you’d like to continue working on it, feel free to reopen or submit a new PR. Thanks for the contribution!