* src/tracker-indexer/tracker-module-metadata-utils.c: Used code
	from tracker-processes utility to find tracker-extract when we get
	a dbus timed out (and other type) messages and kill it with
	SIGKILL. This should fix the problems we were seeing with the
	extractor locking up for long periods of time on the device.

	* src/tracker-utils/Makefile.am:
	* src/tracker-utils/tracker-processes.c: Added utility to get all
	tracker processes running on the system.

svn path=/trunk/; revision=3114