Fix: weak proxy for JavaScriptView was never released
Fix crash when Audio is released, but source still playing
Added ejecta.load() function; close #223
Added canvas.toDataURL() and canvas.toDataURLHD(); renamed EJTexture's imageFromPixels to image
Fixed seams in textures; Use high precission floats for UV
Added navigator.platform; close #213
Always clear the canvas when setting width/height; close #212