Added the rest of the directories that should be compiled to the main makefile.

(There still might be a couple of directories that need makefiles with install
targets, but we'll deal with that as necessary.)

Makefile

 # Testbed wide makefile.
 
-SUBDIRS = lib assign discvr tbsetup db os security tmcd
+SUBDIRS = assign capture db discvr lib os pxe security tbsetup tip tmcd www
 
 all:		all-subdirs
 install:	all