I've installed ember-appkit-rails, but when I do rails g ember:bootstrap I get the following error can anyone help?
/home/ltsimps/.rvm/ruby-1.9.3-p392/gems/ember-appkit-rails-0.3.0/lib/ember/appkit/rails/sprockets/context.rb:10:in '': undefined method prepend' for Sprockets::Context:Class (NoMethodError) from /home/ltsimps/.rvm/ruby-1.9.3-p392/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in 'require' from /home/ltsimps/.rvm/ruby-1.9.3-p392/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228 'block in require' from /home/ltsimps/.rvm/ruby-1.9.3-p392/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213 'load_dependency'
from /home/ltsimps/.rvm/ruby-1.9.3-p392/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228 'require'
from /home/ltsimps/.rvm/ruby-1.9.3-p392/gems/ember-appkit-rails-0.3.0/lib/ember/appkit/rails/sprockets.rb:3:in ....
