Add .idea to .gitignore.
Use forked version of CodeRay.

Add support for Oracle SQL and PL/SQL syntax highlighting, following my
personal preferences by using my forked version of CodeRay.
Add Oracle 11g Password Checking blog post.
Fix RSS description field.
Prevent Kramdown using smart quotes.
Disable CodeRay line numbers in RSS feed.
Preserve whitespace for markdown output in RSS.