Fixing #734. Not using 'require' if process.browser is set to true
Fixing #734. Not using 'require' if process.browser is set to true

jrauschenbusch/builder,systemjs/builder,systemjs/builder,alexisvincent/builder,systemjs/builder,alexisvincent/builder,alexisvincent/builder,jrauschenbusch/builder,jrauschenbusch/builder