Updated post content

Addressed some styling issues, broken links, and Comments vars
Moved feed

Put feed in its appropriat directory
Updated Comments vars

Added the var disqus_url for legacy posts to save archived comments
Redirects added

Added 301s to redirect legacy post URLs to new post architecture
Updated .gitignore

Added the sftp-config-json for ST2
Legacy post removal

Removed legacy posts to clean up site directories and reduce
duplication.
Moved "Back to Notes" link

Adjusted the layout to encourage Comments engagement. Pushe the "Back
to Notes" link to below the Comments.
Added README