Remove links on image credits with no creditlink
Merge pull request #18 from lvictorino/patch-1

Remove links on image credits with no creditlink
Merge branch 'master' of https://github.com/mmistakes/hpstr-jekyll-theme
Upgrade Google analytics to Google universal analytics

Google will deprecate old ga.js. Change to new analytics.js, and also
use the new version of the enhanced link attribution module.
Merge remote-tracking branch 'origin/master' into gh-pages