Change PuppetDB 1.1 references to aim at "latest" instead, for easier maintenance
Public repos: Remove EOL-ed releases from our lists of distro support

Lenny, Natty, Maverick, Oneiric, and Fedora 15. In the immortal words of Amelia
Fletcher: you are gone, so you should go.
Windows Documentation: Additions and corrections to address Windows documentation issues #19867, #15838, #13055