Recommended update for salt
This update for salt fixes the following issues:
- Fix the "os" grain on sles11sp4
- Fix the priority and humanname pkgrepo args for the zypper backend
- For more details please refer to https://docs.saltstack.com/en/2015.8/topics/releases/2015.8.2.html
- Submitted by Niels Abspoel (aboe76)