Switch SITE_TWITTER_ACCOUNT setting name to just TWITTER_ACCOUNT
Add settings.SITE_TAGLINE to <title> tag
Tweak meta_title, Add meta_keywords, Add meta_description
Include the gig's location and company in the meta title
Change the meta tag charset to align with html5
Implement micro data for JobListing
Change post_job url pattern to post-job-listing for SEO sake