7/26/2013 Integrated fixes from Scenery for issues with particles reappearing when resized.
7/26/2013 fix up package.json to work with build.sh changes (chipper#12)
7/26/2013 Removed some console logging.
7/26/2013 Added code to possibly prevent a particle's position from being set to a non-vector value.
# 00.00.00-16
7/25/2013 Made the periodic table a touch wider to accommodate some changes to Net Charge meter layout.
7/25/2013 Updated icon images for first two tabs so that they look reasonable on IE10.
7/25/2013 Made the Stable/Unstable option off by default, and made its state affect whether the animation occurs.
7/24/2013 Worked with Jonathan O on a number of performance improvements and optimizations
7/24/2013 add local copy of new ResetAllButton and associated images
7/23/2013 Made a number of display nodes explicitly not pickable in an effort to improve dragging performance on iPad.
# 00.00.00-15
7/22/2013 Integrated a reset button that highlights on hover, darkens on press.
7/22/2013 Adjusted the layout of the mass display so that readout is more consistently centered over the graphic.
7/22/2013 Fixed an issue where the plus/minus symbols would go outside the bounding box when all protons and/or neutrons added.
7/19/2013 Changed the mass scale image to be a PNG instead of an SVG, since the SVG looked jagged and weird on some browsers (mostly FireFox).
7/19/2013 Fixed typo on game tab - "Mass and Change" fixed to "Mass and Charge".
7/19/2013 Switched all tabs to SVG rendering in order to try to make the fonts look better across platforms.
7/19/2013 Fixed an issue where the position of the electron representation selection would move between tabs 1 & 2 in some browsers.
7/19/2013 Swapped positions of the label control box and the reset button.
7/19/2013 Changed the background color of the symbol tab icon to match the current color on the tab.
7/19/2013 Make the check boxes less eye catching.
7/19/2013 Added new icon for the game
7/18/2013 Modified answer entry layout for counts-to-charge problem
7/17/2013 Implemented counts-to-charge problem
7/16/2013 Implemented schematic-to-element problem
7/16/2013 Added credits
7/16/2013 Added the scoreboard
7/15/2013 Turned touch-to-snag back on
# 00.00.00-14
7/12/2013 Made the change meter background be drawn rather than an SVG - this improves performance.
7/10/2013 Made electrons stack better in the bucket.
7/10/2013 Made first and second tab use same base class so that they look more alike.
7/10/2013 Improved layout to work better and to look more like design doc.
7/9/2013 Implemented the ability to switch between orbital and cloud representation for electrons.
7/8/2013 Implemented ability to turn the labels on and off on the 1st tab.
7/4/2013 Implemented the feature where the nucleus vibrates when unstable.
7/3/2013 Implemented the counts-to-element problem for the game.
7/3/2013 Added basic game logic.
6/26/2013 Re-enabled the feature for getting particles by dragging on buckets, since the related Kite problem is now fixed.
# 00.00.00-12
6/25/2013 Added better highlighting of selected element in the periodic table.
6/25/2013 Changed background colors so that tabs 1 & 2 can be more easily distinguished.
6/24/2013 Made scale and charge meter larger on the symbol indicator so that they render decently on an iPad.
6/24/2013 Specified font for accordion box labels.
6/24/2013 Moved the buckets and changed the size so that they will stay within the layout bounds.
6/24/2013 Drastically modified the 2nd tab so that it looks like the first, but with a symbol instead of charge and mass meters.
6/24/2013 Integrated new scale image.
6/24/2013 Implemented arrow for the charge meter.
# 00.00.00-11
(Note - This file has not been well maintained)
6/14/2013 Moved the ion indicators on both tabs so that they aren't just above an electron.
6/14/2013 Replaced a backbone trigger with an Axon trigger, since they are now supported.  Removed backbone as an include.
6/14/2013 Modified neutron bucket color so that caption is more visible.
6/14/2013 Incorporated the common reset button.
6/14/2013 Changed layout of the first tab so that the "Neutral Atom" label isn't occluded by other items on the canvas.
6/14/2013 Changed size of particle display font to save some space on the canvas.
6/14/2013 Fixed an issue that could cause the symbol node to try to add more electrons or protons than were available.
6/14/2013 Converted spinners to a button that looks more like what is in the spec.
Moved to github, restructured to match most recent guidelines.
# 00.00.05 (70969) Dec 4, 2012
12/4/12 First version with basic functionality (excluding charge indicator).
Changed project name from build-an-atom-html5 to build-an-atom-html.
# 00.00.04 (70352) Nov 16, 2012
11/16/12 Deploy to capture this version of test suite.
# 00.00.03 (70339) Nov 15, 2012
11/15/12 Capturing a snapshot.
# 00.00.02 (69952) Nov 5, 2012
11/5/12 Changed name of index file to avoid instant startup on dev page.
# 00.00.01 (69948) Nov 5, 2012
11/5/12 Initial test deployment.