Link to Christian Sturm's Firefox plugin.
Add specification for pluggable transport client registration.

Spec changes

tarnsport design.txt
Increase VERSION to 1.3.
ChangeLog headings for 1.2 and 1.3.
Typos.
Update RegSet API.
Parse relay file.
Update TCPReg to support transports.
Support new client registrations.
Support new flashproxy polling.
Improve logging a bit.
separate child tests and link in future websocket-transport tests
Log the number of unhandled registrations.
use GNU autotools to create an installable package, including docs
add reference install scripts and integrate them into the instructions
install the appengine files as data files in $(pkgdatadir)
populate /etc/flashproxy during post-install, including generating keys
Handle SIGTERM in websocket-server.
ChangeLog for websocket-server SIGTERM.
handle initscripts in a more robust way and provide an option not to install them