added catch to make sure the portfolio tiles have a thumb
Merge branch 'master' of github.com:Upstatement/blades

* 'master' of github.com:Upstatement/blades:
  tweaking füll width class
  tweaking full width class
  setting up flex-width, overline styles pt3 + color-splash-bg
  setting up overline styles pt2
  added new portfolio features for full-size images and gray splash
  adding overline styles
  added overline style to portfolio-single.twig