Revert "Merge pull request #776 from mocha/dev"

This reverts commit f32e2b57831588429d5edc2fcce951c8dfd1fcaa, reversing
changes made to ca853811e59d6b6fdb758e4090306e7f6ff0f1d4.

Conflicts:
	src/site_source/_layouts/default.html
	src/site_source/_layouts/post.html