added windows 8 icon link and meta elements

the generator used a separate file name...not sure if that's because
it's required or it's dumb. still waiting to hear back from @iedev team
about it.
http://social.msdn.microsoft.com/Forums/en-US/iewebdevelopment/thread/b466a403-43be-4818-905c-e3f7f3eebc47
http://www.buildmypinnedsite.com/