Add default to use when running wiredep tasks

[iamdash]

Great component, but how are we able to add the app attribute to the script tag when running wiredep tasks? I have made some updates and would like to make a pull request using app as the default.

[hansl]

You can set noinit to true in the tag itself, and then use angular.loader.init({}) to initialize the component from JavaScript. That's basically how I do it for tests.

I'm always open to pull requests too, so go ahead and I'll review :)