Add Canvas2D to the npm release script

Tools/Npm/getfiles.bat

@@ -3,5 +3,6 @@ xcopy /Y /F "../../dist/preview release/babylon.js" .
 xcopy /Y /F "../../dist/preview release/babylon.max.js"  .
 xcopy /Y /F "../../dist/preview release/babylon.noworker.js" . 
 xcopy /Y /F "../../dist/preview release/babylon.core.js" . 
+xcopy /Y /F "../../dist/preview release/canvas2D/babylon.canvas2d.js" . 
 xcopy /Y /F "../../dist/preview release/oimo.js" . 
-pause
+pause