add missed target blank in external links
Merge pull request #40 from andersonaguiar/patch-1

add missed target blank in external links
Add Magnific Popup
- Image links now display in a lightbox
Update Gist styling
- Add gist.less stylesheet
- Add Gist example to post
- Fixes #41
updated 'google_plus' to take an id prepended with '+' and then renders links as 'https://google.com/{{ site.owner.google_plus }}'
Merge pull request #43 from wellsie/develop_google_plus

updated 'google_plus' to take an id prepended with '+'
Update config file to remove deprecated 'pygments' option
Fix build warning on layout: nil
Update license
Update license