Update npm and bower dependencies.
Merge branch 'master' into develop

* master:
  Correct url to grunt-neuter github repo.
  Add a placeholder rule.
  Add handlebars helpers and move scss mixins to a more appropriately named 'helpers' folder.
  Move routes, views, and controllers to their own folder inside `js/apps/routename`.
Bump grunt-contrib-uglify and load-grunt-tasks versions
Starting on changelog for 0.4.0
Version 0.4.0