Fixed the top margin so that material doesn't fall behind the fixed header at the top of the page
Separated the styling for the header partial into a separate file for clarity and fixed the margin top so that nothing gets hidden upon load under the header.
Updated the html for each post on the blogs#show page
Took out RedCarpet gem since I won't need to render the markdown on the backend.
Merge pull request #2 from nickcan/refactor

Refactor