Merge pull request #15 from Echohawkdown/master

#1: Merge all team icons into a single sprite
Thumbnails have now a size of 70x50
Change flairs and its positioning
Fix Exertus Zeal's background-position
CSS
Move zipped social images to zip folder
#13: Align the header image to top right
#14: Add wiki link support to LCS NA teams
Set a minimum width for teams' colums in the matches tables
Featured flairs make their links red
Team icons for Alliance & Roccat added; less sheets not yet updated
Merge remote-tracking branch 'upstream/master'
Updated teams.less for Alliance and Roccat team icons