Revert "Updating styles for Readme.md file"

This reverts commit 8c20219e555f5b5e35450c9d77b276d1ccca68d6.
Revert "adding Readme.md with instructions for creating a Webpage based on our template"

This reverts commit 72e5322e2c6d1dff69972007be005cb9fdde6693.
Revert "Updated _posts/exhibits/2013-03-25-que-es-proseio.md"

This reverts commit 593a97be87779ae302fc3bda56b6d403c01bef8b.