Replaced auto-generated Jekyll theme with stock HPSTR theme.
Updated _config.yml and avatar image to reflect me and this site.
Changed which header image is displayed on the front index page.
Updated _config.yml to use the right site URL.
Updated _config.yml to exclude a couple non-essential files from the Jekyll build.
Updated top-nav to include a reference to the RSS feed xml file.
Replaced contents of 'about' page with info about me.
Merge pull request #3 from nsauber/ChangeToHpstrTemplate

Change to HPSTR template