* accommodate systems that use sha256sum
* cleaner use of checkSum
* Merge branch 'master' into shell_script_support4_sha256sum
* Merge branch 'master' into shell_script_support4_sha256sum
* Add check for internet in prysm.sh
* Make script fail
* End script early
* Merge branch 'master' into add-internet-check
* Fix order of ops
* Merge branch 'add-internet-check' of github.com:prysmaticlabs/prysm into add-internet-check
* Merge refs/heads/master into add-internet-check
* Merge refs/heads/master into add-internet-check
* Merge refs/heads/master into add-internet-check
* Merge refs/heads/master into add-internet-check
* Merge refs/heads/master into add-internet-check
* Merge refs/heads/master into add-internet-check
* Merge refs/heads/master into add-internet-check
* Add check for internet to bat script
* Merge branch 'add-internet-check' of github.com:prysmaticlabs/prysm into add-internet-check
* Merge refs/heads/master into add-internet-check