added additional push script in package.json for automated compilation checking when just pushing (not publishing) to github
added additional push script in package.json for automated compilation checking when just pushing (not publishing) to github

awayjs/awayjs-stagegl,awayjs/awayjs-stagegl,awayjs/stage,awayjs/awayjs-stagegl,awayjs/stage,awayjs/stage,awayjs/stage