Add socialite.js
Add include for social buttons
Add styling for social buttons and title
Load social buttons on blog posts only
Add responsive styles for social buttons

* Hide until hover on social section
* Add a bit of fade in/out with transitions
* Remove the title on mobile to avoid massive padding under article
Merge branch 'new-feature/twitter-buttons'

* new-feature/twitter-buttons:
  Add responsive styles for social buttons
  Load social buttons on blog posts only
  Add styling for social buttons and title
  Add include for social buttons
  Add socialite.js