Revert "Create gh-pages branch via GitHub"

This reverts commit a8700403c05857afe869270fcdf7e1d1be7b66f3.
Revert "Revert "Create gh-pages branch via GitHub""

This reverts commit 542480e68113e81240c6adb14aa31af1023b18bb.
Revert "Revert "Revert "Create gh-pages branch via GitHub"""

This reverts commit 29cc04cf1257f042cadfc1e7ba696f3177e5792b.
Revert "Revert "Revert "Revert "Create gh-pages branch via GitHub""""

This reverts commit 52f15cb605a7cd595b94ba017cc6aaed8f563073.