Move blog folder contents to root directory; add example post
Ignore _site directory

Because this is compiled automatically whenever host the site locally
(or whenever it is pushed up to github), we don't need to track it in
version control.
Implement basic multi-author blog logic.

Take credit for AAA's example page in the name of testing.
Multi-author dbyll blog
Fix bug with author github/twitter/etc. links
Fix typo and image link in example post
Merge pull request #4 from owap/dbyll

Multi-author dbyll blog