Fixed the url that gets set for og:url
Fixing OG properties.
Fixing FB share link
More fix to paths for OG.
Adding a new field for fbimg, in case I track down the URL of a very large image I want to use.  Deploying and testing on Heroku.
Using yet a different image for facebook sharing.
Adding two more facebook share images.
Added bootstrap social buttons and real values for the OG parameters