added runTest function to support performance tests
fix for issue #3, remove group children on the native side
added new example for a mockup desktop finder interface
fix layout bugs in togglebutton
more work on finder
added hpanel. add raiseToTop to group
more work on the finder demo
added document backend. added generic email query
more finder work
Merge pull request #4 from dmahurin/staging

merging unmodified from don
added missing removeNodeFromGroup function
fixed demos to work in desktop and browser
fix autoreverse
make group.clear() actually work
added vertical layout support to widget.Label
fix up tests and demos
fixed animation ending/looping bugs in canvas impl
fixup tests
add cliprect support to canvas impl
pandaboard patches