Add crazy good looking image displayer
new file:   app/assets/images/devbootnews.jpg
new file:   app/assets/images/flashquiz.jpg
new file:   app/assets/images/friendsrun.jpg
new file:   app/assets/images/rakedbevent.jpg
new file:   app/assets/images/surveyjungle.jpg
new file:   app/assets/images/tfactivities.jpg
modified:   app/assets/stylesheets/_variables.scss
modified:   app/assets/stylesheets/main_components.scss
modified:   app/views/homepage/portfolio.html.erb