Get the iperf version number from autoconf, don't track the tagging date.

These simplify the release process because they eliminate a manual
file-editing step.

(cherry picked from commit d141c52dabd4b484b2339c2c20725c1eecd0dff4)
Signed-off-by: Bruce A. Mah <bmah@es.net>

Conflicts:
	configure.ac
	src/locale.c
	src/version.h.in
src/version.h is generated now so make git ignore it.

(cherry picked from commit 5069cc1329331faf9fb7160167f3d1f5b760439a)
Signed-off-by: Bruce A. Mah <bmah@es.net>

Conflicts:
	.gitignore
Use AM_MAINTAINER_MODE and regenerate autotools / libtool goop
using recent versions.

Resolves #161.

(cherry picked from commit 6edfd8d65cdf02299a57765770f949d21513868e)
Signed-off-by: Bruce A. Mah <bmah@es.net>

Conflicts:
	Makefile.in
	configure
	configure.ac
	src/Makefile.in
Point to GitHub Pages.

(cherry picked from commit 4318163373cf4cfb4e5d0e62c59656d4d52f08ac)
Signed-off-by: Bruce A. Mah <bmah@es.net>
Add PACKAGE_URL to help message.

(cherry picked from commit daff72b682e814c56f2d541925fd4c02e035c6a4)
Signed-off-by: Bruce A. Mah <bmah@es.net>

Conflicts:
	src/locale.c
Regen.
Fix file inclusion that somehow didn't get cherry-picked.