minor fixes to loadFilepicker args and package var export.

1.0.1

minor fixes

complete rewrite of the filepicker loader package

• converts to coffeescript (fuck ya)
• updates the package to properly export and work with meteor 0.7.2
  • calls api.export('loadFilepicker') in package.js
• enhances the loadFilepicker function api
  • moves the version string to an optional arg
  • a more node-ish implementation of callback optional passing and usage
• turns down the overdone README