Modify the description in the README file
Add ruby 2.0.0 as a dependency in Gemfile
Add learn-rails specific gems
Use compass-rails 1.1.2 instead of 2.alpha.0

compass-rails 2.alpha.0 has been yanked from rubygems.org, so 1.1.2 is used instead.
Add application.yml to git ignored files
Add dev configuration for sending e-mail