Changed listView itemRenderer to set the tabIndex so items are focusable in non-IE browsers.
Changed listView itemRenderer to set the tabIndex so items are focusable in non-IE browsers.

edrohler/winjs,IveWong/winjs,Guadzilah/winjs,CensoredUser/winjs,CensoredUser/winjs,IveWong/winjs,nobuoka/winjs,KevinTCoughlin/winjs,grork/winjs,jmptrader/winjs,edrohler/winjs,gautamsi/winjs,ladyinblack/winjs,gautamsi/winjs,KevinTCoughlin/winjs,nobuoka/winjs,PaulWells/winjs,grork/winjs,KevinTCoughlin/winjs,rigdern/winjs,PaulWells/winjs,PaulWells/winjs,kevinwsbr/winjs,GREYFOXRGR/winjs,edrohler/winjs,gautamsi/winjs,ladyinblack/winjs,GREYFOXRGR/winjs,Guadzilah/winjs,grork/winjs,jmptrader/winjs,nobuoka/winjs,GREYFOXRGR/winjs,ladyinblack/winjs,kevinwsbr/winjs,rigdern/winjs,CensoredUser/winjs,rigdern/winjs,Guadzilah/winjs,kevinwsbr/winjs,IveWong/winjs,jmptrader/winjs