Logo/Tagline/Social icon revision

• iPhone background image is now `versus-kids-painted-iphone4s.2014-03-03.blank-screen.497x929.jpeg`— with a blank screen, instead of the old logo
• Added a variation of the new logo with a white border and transparent back in place of the old temp logo, on-screen.
• Downsized social icons from 57x57 to 38x38 and moved to the bottom area of the screen.
• Tagline font size up from 14 to 18, text-shadow made more stiped, width-condensed to two lines.
• Positionings and alignments tweaked overall.