Revert "Create gh-pages branch via GitHub"

This reverts commit 7fc2c4cfe1a372663fd2b7f8d96d1a3530d4eca4.
Revert "Revert "Create gh-pages branch via GitHub""

This reverts commit 0ebf9b13a2a45ceb68069e34bc913ca537884242.
Merge remote-tracking branch 'origin/gh-pages' into gh-pages