Commit Briefs
libthread: add threadspawnd
R=rsc http://codereview.appspot.com/6742064
acme: add $acmeshell to control execution shell
R=rsc CC=plan9port.codebot http://codereview.appspot.com/6614056
fontsrv: x11 support
R=rsc, 0intro CC=plan9port.codebot http://codereview.appspot.com/6739047
plumb.app: accept plumb:foo as alias for foo
R=rsc CC=plan9port.codebot http://codereview.appspot.com/5495046
devdraw: map X11 dead_diaresis to double quote
R=rsc CC=plan9port.codebot http://codereview.appspot.com/6690049
libmemdraw: fix int size bug
R=rsc, quanstro CC=plan9port.codebot http://codereview.appspot.com/6657043
silence more warnings
R=rsc http://codereview.appspot.com/6744056
9c: support clang on Mac
R=rsc http://codereview.appspot.com/6744055
fix clang warnings reported by Tuncer Ayaz
R=rsc http://codereview.appspot.com/6744054
9c: add more clang warning silencers, use signed chars
R=rsc http://codereview.appspot.com/6741053
lib9: fix Mac warning
R=rsc http://codereview.appspot.com/6749053
INSTALL: don't try to use \b in acme window
R=rsc http://codereview.appspot.com/6734051
fix gcc 4.7 warnings (thanks Tuncer Ayaz)
R=rsc http://codereview.appspot.com/6744053
web: fix BROWSER=google-chrome on Mac
R=rsc http://codereview.appspot.com/6750046
mount: fix for osxfuse
R=rsc http://codereview.appspot.com/6737052