Restore the expected wrapper behavior as bunch's config.modules.wrapper is either 'commonjs', 'amd', or false. The value is never true. See https://github.com/brunch/brunch/blob/master/docs/config.md#modules.

Remove unused `fs` import.
Use the configured default extension

Right now the code does not take defaultExtension into account.
Adds travis integration
Adds travis tests badge
npm version bump to 1.0.1
Merge branch 'master' of https://github.com/bartsqueezy/ember-handlebars-brunch