Add github_fork option to the main theme
Use github_fork option in the main theme layout
Revert "Use github_fork option in the main theme layout"

This reverts commit 2be2351d77a7e9a6eb9a405daa0a3f24c2d8bf8a.

undo mistaken commit to master
Merge branch 'patch-1'

merging patch-1 changes so the github repo can be used as a submodule