Remove orphaned console2 page
Reorganize download/installfest, downloads table, new linux VM, mac/linux non-VM instructions
Split per-OS installer instructions back into separate pages
Add links back to downloads page
Update direct XCode link, will redirect to login instead of 403 if not logged in
Remove stray Linux notes in Windows pages
Merge pull request #158 from railsbridge-boston/reorg-installfest

Reorg installfest