Fix up github issue provider styles to correct 404 and round avatars
Fix up github issue provider styles to correct 404 and round avatars

ajayanandgit/JabbR,yadyn/JabbR,borisyankov/JabbR,JabbR/JabbR,18098924759/JabbR,borisyankov/JabbR,CrankyTRex/JabbRMirror,e10/JabbR,SonOfSam/JabbR,fuzeman/vox,LookLikeAPro/JabbR,lukehoban/JabbR,e10/JabbR,M-Zuber/JabbR,SonOfSam/JabbR,timgranstrom/JabbR,CrankyTRex/JabbRMirror,yadyn/JabbR,JabbR/JabbR,fuzeman/vox,borisyankov/JabbR,mzdv/JabbR,ajayanandgit/JabbR,timgranstrom/JabbR,LookLikeAPro/JabbR,fuzeman/vox,lukehoban/JabbR,lukehoban/JabbR,LookLikeAPro/JabbR,yadyn/JabbR,meebey/JabbR,meebey/JabbR,M-Zuber/JabbR,CrankyTRex/JabbRMirror,mzdv/JabbR,18098924759/JabbR,meebey/JabbR