[Gmod-ajax] JBrowse 1.2.1 release

[Mitch S. <mit...@be...>]

Just tagged the 1.2.1 release, with fixes for the bugs reported in 
version 1.2.

It's available here:

http://jbrowse.org/releases/jbrowse-1.2.1.zip

Release Notes:

version 1.2.1, March 2011

Fixed bugs in release 1.2:

- problems with BED handling reported by Gregg Helt and Brenton Graveley

- performance regression reported by Chris Childers

- incorrect handling of names in ucsc-to-json.pl

- wig2png slowdown reported by Brenton Graveley