CLC-1353 Expose blog feed as API endpoint
https://jira.media.berkeley.edu/jira/browse/CLC-1353
Conflicts:

	app/assets/stylesheets/_splash.scss
CLC-1353 Restore extraction of single blog entry in back-end RSS parser
https://jira.media.berkeley.edu/jira/browse/CLC-1353
CLC-1353 Refactor blog feed parser to not use instance variable syntax