disable dialog matching for subscribe reqs so it always uses a new handle to avoid conflicting with notify transactions

Conflicts:
	libs/sofia-sip/.update

This is probably what was intended. If the pointer 'path' is NULL, or if it is not NULL, then the first char should not be '\0'

Since I can't seem to locate what this might be used for, or the more correct solution, I'm going to comment it out for now. If someone can find a better solution so that this functionality would actually work, please advise.

FS-5498 add profile-variables section to directory to specify profile variables to be set automatically

Added mod_rayo (XMPP 3PCC http://xmpp.org/extensions/xep-0327.html). Used by Adhearsion as its native call control protocol.  Currently beta testing.

This is needed for correctly setting the default storage directory for
Debian builds.

add some device-state mechinism to FS to allow tracking of device-specific states where they may have more than one call from the same device