github/teach.github.com — pull request #164 by randomecho (2013-06-05 04:22:44+00:00)
Title: Classnotes fix: git-p4 Perforce Script URL went 301

The git-p4 Perforce Script cheese has moved to a new URL

Also fixes up a couple of new Unix (watch) Wikipedia links missing the backslash on the parenthesis in the URL