Added changelog for 0.3
Fix #61: Correct usemin directives for templates/main
Mention Ember upgrade in README
0.3.0
Ignore npm-debug.log
Added install step to address PhantomJS issue

As much as I hate to have to tell people to sudo,
am getting an err when running `yo ember` otherwise.

Refs:
https://github.com/gruntjs/grunt-lib-phantomjs/issues/22
https://github.com/yeoman/generator-webapp/issues/92
0.3.1
Add support for ember-testing and karma