update the link to SICP online HTML version
add link to Hackers
Convert most http: links to https:
joel is totally being updated... its just been inactive since July :)
summer-reading: another phrasing tweak
summer-reading: Phrasing changes Companies don't write well, Raymond Chen does not write in the name of backwards compatibility, and jwz did not become Mozilla in order to open Netscape's source. :-)
Add djb's UNIX Security Holes course notes
Add the Unix paper
Add a summary at the top and "HOWTO Encourage Women in Linux"
Merge updated git import of Trac content into Markdown. Conflicts: doc/AFSAndYou doc/CupsOnMac doc/SummerReading doc/UsingZephyr
SummerReading -> summer-reading.mdwn