change loadConfig test for require: just call require, don't check for it
change loadConfig test for require: just call require, don't check for it

it looks like there is no way to pass the check result back from code
executed in runInNewContext in node 0.10

jrauschenbusch/builder,whitneyit/builder,systemjs/builder,systemjs/builder,whitneyit/builder,lookfirst/builder,lookfirst/builder,systemjs/builder,alexisvincent/builder,alexisvincent/builder,alexisvincent/builder,jrauschenbusch/builder,jrauschenbusch/builder