updating Marketing material for 13.1
Fix minor bug in 125x125 banner
add 120x90 13.1 banner
add jpg files, hopefully fixed pngs
updated G+ banners for 13.1 release
update new marketing Twitter material for new release
Summit Marketing Materials
Black & White Summit badge
Merge remote-tracking branch 'upstream/master'
Changes to CD Jacket for 13.1
Merge remote-tracking branch 'upstream/master'