started working
png and psd
theming works
unit tests
animation,start&stop working
lowered step to make animation less jumpy
reduced image size (still get warnings though), added unit tests for animation
make sure all tests pass on chrome, safari, firefox
Modifies @unicolet's update to: clean up unused code in SC.ProgressView, switch to Ace style image, switch to less CPU intensive rendering loop based off of requestAnimationFrame.  Adds window.requestAnimationFrame() polyfill to core_foundation.
include Tyler changes and fix css selector, propose background image
include Tyler changes and fix css selector, propose background image
use a render queue, now all tests pass
Adds some further improvements to indeterminate progress views:

- remove console statement
- uses 42px wide image from the Ace theme without growing the repeat-x sprite
- fixes problem where the track would be animated along with the content
- fixes test to only check for changes to the content background
- clears out the background offset if the progress view goes from indeterminate to not indeterminate
- don't add the 'running' class unless the view is indeterminate
- whitespace
Escape quotes in bindAttr values.
Modifies the unit test to highlight a bug that is fixed by the previous commit.  Closes #814
Cache the value of isBrowserFocusable, so we can restore it to the original value.
Adds some comments to aid further developers a bit and removes the temporary flag on all other SC.TextFieldViews.  This closes #816.
Added support to SC.MenuPane for pgUp/pgDown/home/end.
Added menu pane scrolling unit tests.

Also fixed an issue with pageUp/pageDown
brought to light by the unit tests.
Fix incorrect reference to menu scroll view.