Modifying files to work with jam.js (Partially fixes https://github.com/SlexAxton/require-handlebars-plugin/issues/79 although there's no way to configure it for jam compile at the moment - see https://github.com/caolan/jam/issues/127 ). This commit keeps the dependencies included in the package, although we could update it to use jam-provided coppies of underscore and json2 (and possibly handlebars)