Protection against closing dirty abstractions
closing and quitting doesn't query if everyone is clean
(but "pd perf" message turns that protection back on for performances)
ctrl-1, etc, automatically place new object under a selected one and
connect to it
return when editing an object (not a message or comment) deactivates text

working on new dialog windows
updates to 14.partialtracer and sigmund~

bug fixes

Merge harpo:pd into test

Conflicts:

	doc/1.manual/x5.htm
	src/g_canvas.c

nothing to commit (working directory clean)