3/10/2014 - Turned on touchToSnag for the sliders
3/10/2014 - Note: A number of things were done prior to this point to make the sim work with current build approach.
3/10/2014 - Updated version number to 1.2.0-dev.1 to be more in keeping with current conventions.
3/10/2014 - Fixed an issue with layout of reset button.
9/9/2013 - Replaced slider knob artwork with a PhET-generated version.
# 1.1.0-1
8/29/2013 - Changed all fonts to use PhetFont
# 1.0.0
03/14/2013 - beta version
03/05/2013 - initial commit