Changes

## add SL logo to www.karmaeducation.org  -- bryan

## add SL logo to www.karmaeducation.org  -- bryan

## lots of bugs in accessing sounds and images -- bryan

## lots of bugs in accessing sounds and images -- bryan

## fix sound 'stuttering'

## fix sound 'stuttering' -- subzero  HIGH Priority

## Possible to refactor "Quadrilaterals" by Friday? 

## refactor "Quadrilaterals" to use KSurface-- subzero

## add kid's voices to "adding_up"

## add kid's voices to "adding_up"

## article for olpcnews.com

## article for olpcnews.com