more Gemfile cleanup
remove full_page_layout

lol this was still there
clean up gemfile
create lib directory.

I should have done this a long time ago, but I was lazy.
remove last vestiges of login system.

I missed this before
remove db directory

can't believe I left this in, either.
Fix issue with /posts

This used to cause a silly infinite redirect. Now it doesn't. Woo.