doc: update some invalid URLs
commitd23d4713dc9ab9732c574f5aa34a4b6740b43164
authorEric Wong <e@80x24.org>
Fri, 26 Jun 2015 00:42:40 +0000 (26 00:42 +0000)
committerEric Wong <e@80x24.org>
Fri, 26 Jun 2015 00:45:18 +0000 (26 00:45 +0000)
treea605e5fcea33912bcfdb3b05951518851fd1f94a
parent194fe5eb02eb5d328aedea9dfcef12fbe58b0522
doc: update some invalid URLs

Most of these were found by the `linkchecker' package
in Debian.
Documentation/unicorn.1.txt
Documentation/unicorn_rails.1.txt
KNOWN_ISSUES
Links
README
SIGNALS
Sandbox
lib/unicorn/http_server.rb