Add Proxima Nova web fonts and icon font
Center and repeate top image
"absolutely position main nav to fix IE positioning issue"
"add comments and split scss into corresponding files"
"fix custom checkboxes"
"finish sidebar and start exchange main content"
"fix exchange buttons"
"clean up jquery ui tabs overwrites a bit"
"fix broken since last commit outer border on exchange"
"add css file"
Merge remote-tracking branch 'origin/master'