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This commit is intended to makes the license status of Emulab and
ProtoGENI source files more clear.  It replaces license symbols like
"EMULAB-COPYRIGHT" and "GENIPUBLIC-COPYRIGHT" with {{{ }}}-delimited
blocks that contain actual license statements.

This change was driven by the fact that today, most people acquire and
track Emulab and ProtoGENI sources via git.

Before the Emulab source code was kept in git, the Flux Research Group
at the University of Utah would roll distributions by making tar
files.  As part of that process, the Flux Group would replace the
license symbols in the source files with actual license statements.

When the Flux Group moved to git, people outside of the group started
to see the source files with the "unexpanded" symbols.  This meant
that people acquired source files without actual license statements in
them.  All the relevant files had Utah *copyright* statements in them,
but without the expanded *license* statements, the licensing status of
the source files was unclear.

This commit is intended to clear up that confusion.

Most Utah-copyrighted files in the Emulab source tree are distributed
under the terms of the Affero GNU General Public License, version 3
(AGPLv3).

Most Utah-copyrighted files related to ProtoGENI are distributed under
the terms of the GENI Public License, which is a BSD-like open-source
license.

Some Utah-copyrighted files in the Emulab source tree are distributed
under the terms of the GNU Lesser General Public License, version 2.1
(LGPL).

Mostly added a taget for the newnode MFS.

clientside requres it to be there. As noted in previous revision, the
full emulab build always includes the clientside subdir, but a
clientside build will not necessarily include the rest of Emulab.

directory.

avoid confusion and bad things happening when someome does the wrong
kind of install. Its happened.

Some cleanup of the robot vision system:

	* Makeconf.in: Add INSTALL_INCDIR for includes, EVENTSYS for
	whether or not the event system is available, HAVE_MEZZANINE for
	whether or not we'll be building mezzanine, and GTK_CONFIG which
	refers to the gtk-config binary, if there is one.

	* config.h.in: Add HAVE_LINUX_VIDEODEV_H and HAVE_MEZZANINE
	defines.

	* configure, configure.in: Check for the robot vision system
	dependencies.  Add mezzanine template files.

	* robots/GNUmakefile.in: Add some conditionals for directories
	that depend on the event-system and mezzanine.

	* robots/mezzanine/GNUmakefile.in,
	robots/mezzanine/libfg/GNUmakefile.in,
	robots/mezzanine/libmezz/GNUmakefile.in,
	robots/mezzanine/mezzanine/GNUmakefile.in,
	robots/mezzanine/mezzcal/GNUmakefile.in,
	robots/mezzanine/rtk2/GNUmakefile.in: Fold mezzanine into the
	testbed's build system.

	* robots/vmcd/GNUmakefile.in: When building the vmc-client, use
	the mezzanine that we build locally instead of an installed
	version.

	* robots/vmcd/test_vmc-client.sh.in, robots/vmcd/test_vmcd.sh.in,
	robots/vmcd/test_vmcd2.sh, robots/vmcd/test_vmcd3.sh,
	robots/vmcd/test_vmcd4.sh: Bring the test cases up-to-date with
	respect to the actual code.

	* robots/vmcd/vmc-client.c: A bunch of cleanups and bug fixes: add
	comments, set TCP_NODELAY on the client sockets (doh), etc...

Rmcd and garcia stuff:

	* configure, configure.in: Add robot related template files.

	* robots/GNUmakefile.in: Add primotion directory.

	* robots/emc/emcd.c: Debugging printfs, check the status for
	update-position messages from rmc, and add a basic handler for
	emulab clients.

	* robots/emc/test_emcd.sh.in: Update for changes in mtp.

	* robots/mtp/mtp.h, robots/mtp/mtp.c: Changes for the garcia.

	* robots/mtp/mtp_send.c: Fixes so that it will compile under
	linux.

	* robots/primotion/GNUmakefile.in: Makefile for building a fake
	gorobot in the testbed tree.

	* robots/primotion/Makefile: tweaks

	* robots/primotion/gorobot.cc: First draft with sort-of working
	networking code.

	* robots/primotion/test_gorobot.sh.in: Test case for the fake
	gorobot.

	* robots/primotion/dgrobot/GNUmakefile.in: Makefile for building a
	fake grobot class in the testbed tree.

	* robots/primotion/dgrobot/grobot.h: Add #if !defined(GROBOT_SIM)
	conditionals.

	* robots/primotion/dgrobot/grobot_sim.cc: Empty impl of grobot
	class used for testing.

	* robots/rmcd/GNUmakefile.in: Targets for building rmcd and
	running its test case.

	* robots/rmcd/rmcd.c: First draft with sort-of working networking
	code.

	* robots/rmcd/test_emcd.config: emcd configuration for the rmcd
	test case.

	* robots/rmcd/test_rmcd.sh.in: Test case for rmcd.

Start on vmc:

	* configure, configure.in: Add vmcd related template files.

	* robots/GNUmakefile.in: Switch order of vmcd/rmcd.

	* robots/emc/GNUmakefile.in: cleanup

	* robots/mtp/GNUmakefile.in: Add mtp_dump tool.

	* robots/mtp/mtp.c: Change mtp_encode_packet to use a passed in
	buffer pointer or allocate a buffer if its NULL, probably gonna be
	a big source of errors...

	* robots/mtp/mtp_dump.c: Another command-line tool that connects
	to a server and dumps mtp packets that are received.  Useful for
	seeing output from the vmc-client.

	* robots/vmcd/GNUmakefile.in: Add vmc-client and test case.

	* robots/vmcd/test_vmc-client.sh.in: Test case for the vmc-client.

	* robots/vmcd/vmc-client.c: First cut of the vmc-client, it reads
	mezzanine output and sends it to any connected clients.

Elvinize emc and some bug fixes...

	* configure, configure.in: Add "robots/emc/test_emcd.sh" script to
	the list of template files.

	* robots/GNUmakefile.in: Add a target for install-subdir.

	* robots/emc/GNUmakefile.in: Compile emcd and install it on ops.
	Add test_emcd.sh test case.

	* robots/emc/emcd.h, robots/emc/emcd.c: Elvinize, add support for
	events, and some minor cleanup.

	* robots/emc/robot_list.c: Compilation fixes.

	* robots/emc/test_emcd.config: Robot config for the test case.

	* robots/emc/test_emcd.sh.in: Test case for emcd, just starts it
	up and uses mtp_send to send a few messages to it.

	* robots/mtp/GNUmakefile.in: Install mtp_send and mtp_recv on ops.

	* robots/mtp/mtp.h, robots/mtp/mtp.c: Marshall floats correctly,
	doh!  Move the packet printing code from mtp_recv to the lib.

	* robots/mtp/mtp_recv.c: Move the packet printing code to the
	lib.

	* robots/mtp/mtp_send.c: Add a "-w" option to wait for a response
	from the peer and then dump the packet to stdout.  Allow multiple
	packets to be sent from a single invocation, the arguments for
	each packet must be separated by a double dash (--), see
	test_emcd.sh.in for an example.

	* robots/mtp/mtp_test.c: Gah, test with actual floating point
	values dummy.

Made a pass over the mtp directory:

	* GNUmakerules: Add a "check" target that runs the executables
	listed in the "TESTS" variable.

	* robots/GNUmakefile.in: Add "mtp" to the list of SUBDIRS.

	* robots/mtp/GNUmakefile.in: Testbed-friendly makefile.

	* robots/mtp/mtp.h, robots/mtp.c: Tweaks and bug fixes.

	* robots/mtp/mtp_test.c: Test case for mtp stuff.

1. "make clean" will just remove stuff built in the process of a regular build
2. "make distclean" will also clean out configure generated files.

This is how it was always supposed to be, there was just some bitrot.

Generates dummy packets on all interfaces, so that the switch will
learn their MAC addresses.

First, gives us a handy way to build all the tools, if there
is ever more than one.

Second, it's a workaround for a really annoying problem with
configure. Since there was nothing in the tools/ directory itself,
it wasn't getting created, so configure could not make
tools/pcapper (since the parent directory didn't exist.)