Use unminified versions of jQuery, Backbone, Underscore during dev

To help while doing development, since they get minified anyway after building the app.
Merge pull request #50 from alefteris/patch-3

Use unminified versions of jQuery, Backbone, Underscore during dev
adding peer dependencies
Merge pull request #51 from revathskumar/peerdependencies

adding peer dependencies
Add npmignore file
Merge pull request #52 from alefteris/npmignore

Add npmignore file