THIS IS PROBABLY INCOMPLETE AND MAYBE INCORRECT, FEEL FREE TO IMPROVE!
Author: Kyle Milnes 2012/04/16 https://plus.google.com/116424618550408352646 
Date format is YYYY/MM/DD

PREFACE
=======
The script and templates haven't had a straightforward history it seems.
When I found Scott McCarty's Google code hosted project in 2012, it seemed things
were simple enough.
As of writing, Scott's fork is actively maintained, but not the most comprehensive fork.
Perhaps things will be updated in the future to try and merge all the forks,
but who knows.

Through a bit of reading on the cacti forums and some searching online, I realised
there was at least three forks of the original code and templates.

Did I miss something? Let me know?

Here is an attempt to document the history, for anyone who might be interested.

Chronological contributors
Otto Berger: https://plus.google.com/111683950235467143907
Philo Vivero: http://faemalia.com/Technology/
Baron Schwartz aka xaprb: https://plus.google.com/107034526279919890003
Scott McCarty aka scottevil: https://plus.google.com/114597764404176971057
Kyle Milnes aka kyle0r: https://plus.google.com/116424618550408352646

Did I miss a contributor? Shout at me! 

VISUAL FORK MAP
===============

       The MySQL Graph Collection
               Otto Berger
                  2005
                   |
                   |
                   |
          -------------------
          |                 |
          |                 |
          |                 |
     teMySQLcacti           |
     Philo Vivero   	    |
         2006               |
          |                 |
          |                 |
          |                 |
better-cacti-templates      |
    Baron Schwartz          |
     2008 - 2011            |
                            |
                            |
                            |
		    Graph MySQL Stats
		      Scott McCarty
		           2011

HISTORY
=======
2004 - 2005
Original author Otto Berger kicked things off, writing mysql_stats.php and
various templates for his statistic presets.

2005/01/18
Otto Berger shares his creation with the cacti forum under the name
The MySQL Graph Collection v2.0.0. Kudos to Otto.
http://forums.cacti.net/viewtopic.php?f=12&t=6108
Original 2.0.0 archive: http://forums.cacti.net/download/file.php?id=1176

2005/12/15
Philo Vivero posts on the cacti forums about planning to release his fork of
Berger's work, named teMySQLcacti.
http://forums.cacti.net/viewtopic.php?f=21&t=10958

2005/12/19
Philo Vivero posts on the cacti forums with his fork of Otto Berger's work.
Thread: http://forums.cacti.net/viewtopic.php?f=12&t=11010
Site: http://faemalia.com/Technology/
Credits include:
* Extensively modified by Tim Ellis (time AT digg DOT com) of Digg, Inc
  during the hoary winter days of December, 2005.
* InnoDB support and much valuable feedback by Peter Zaitsev of MySQL AB.
* Memcached graphing support by Tim Ellis of Digg, Inc.

2006/02/01
Philo Vivero posts an updated version of teMySQLcacti on the cacti forums.

2006/08/10
Philo Vivero latest version of teMySQLcacti, not documented on the cacti forums?
http://faemalia.com/Technology/teMySQLcacti-20060810.tar.gz

2008/04/28
Baron Schwartz aka. xaprb posts on the cacti forums with his fork and improvements of 
Philo Vivero's work. He created a Google code project too, named: mysql-cacti-templates
http://www.xaprb.com/blog/2008/04/27/improved-cacti-monitoring-templates-for-mysql/
http://code.google.com/p/mysql-cacti-templates/
* Built-in caching, so each poll cycle results in just one request to the server,
instead of one request per graph.

2008/10
Baron Schwartz aka. xaprb releases mysql-cacti-templates-1.1.0

2009/10/25
mysql-cacti-templates is renamed to better-cacti-templates
http://www.xaprb.com/blog/2009/10/25/version-1-1-4-of-improved-cacti-templates-released/
* Includes graphs for Perconas high-performance builds of the MySQL.
* No longer using GET_LOCK() in MySQL to arbitrate access to the cache file.

2011/01/22
1.1.8 of better-cacti-templates released, as of writing this is the latest release.
http://www.xaprb.com/blog/2011/01/22/version-1-1-8-of-better-cacti-templates-released/
* There are graphs for the new response-time statistics exposed in Percona Server,
  and a new set of graphs for MongoDB.

2011/04/06
Otto Berger posts on the cacti forums about the fact Scott McCarty is becoming the
maintainer for his 2005 scripts.
http://forums.cacti.net/viewtopic.php?f=12&t=6108&hilit=Otto&start=165#p210271

2011/04/06
Scott McCarty aka scottevil inherits and forks Otto Berger's original work, and creates
a Google code project for same, Named Graph MySQL Stats.
This is essentially 2.0.1 of Otto Berger's MySQL Graph Collection
Latest thread: http://forums.cacti.net/viewtopic.php?f=12&t=42427
Docs: http://crunchtools.com/software/crunchtools/cacti/graph-mysql-stats/

2012/03/11
dainiookas by way of the cacti forums, contributes the very nice query cache hits code
and additional template. Perhaps these tweaks were borrowed from the Philo Vivero 
teMySQLcacti fork?
http://forums.cacti.net/viewtopic.php?f=12&t=42427&start=15#p227523

2012/04/16
Kyle Milnes ships dainiookas changes and some tweaks to Scott McCarty for inclusion in
his Google code project Graph MySQL Stats.
* Supports MySQL hostname:port.
* A few coding best practices.
* Improved defaults in the templates.
* Use of the XML CDATA tag to avoid import issues and a bug in libxml2 which can mess
  up the template import.