Commit Briefs
fontserv: fix build on FreeBSD 9.1
R=rsc https://codereview.appspot.com/7095050
CONTRIBUTORS: three more
R=rsc https://codereview.appspot.com/7225073
jpegdump: fix build and warnings
R=rsc https://codereview.appspot.com/7070070
freq: fix crash with utf > 0xffff (thanks Andrey Mirtchovski)
R=rsc https://codereview.appspot.com/7029054
venti/wrarena: fix arenapart breakage
R=rsc https://codereview.appspot.com/7027044
fontsrv: fix build on OpenBSD 5.2
R=rsc CC=plan9port.codebot https://codereview.appspot.com/6850108
auth/factotum: fix password prompt hang with secstore
R=rsc http://codereview.appspot.com/6906057
fontsrv: make single quotes look like quotes
R=rsc https://codereview.appspot.com/6864051
fontsrv: scaled pjw
R=rsc https://codereview.appspot.com/6854130
acme: retina scaling for scroll bars, button
R=rsc http://codereview.appspot.com/6854094
samterm: retina scaling for scroll bars, borders
R=rsc http://codereview.appspot.com/6844083
9term: adjust to dpi changes
R=rsc http://codereview.appspot.com/6847105
libdraw: change DefaultDPI to 133
Let's see if that's any better. R=rsc http://codereview.appspot.com/6850103
devdraw: fake dpi calculation on Mac
R=rsc http://codereview.appspot.com/6782115