Error generating config

[simmogs]

I'm using the 1.9 branch with Ruby 2.0.0 which is probably a bad start. When I run

rails g proselytism:config

I get the following error

/home/gsimpson/.rvm/gems/ruby-2.0.0-p247@front-end/bundler/gems/proselytism-1c70e09b3288/lib/proselytism/logger.rb:3:in `<module:Proselytism>': uninitialized constant ActiveSupport::BufferedLogger (NameError)
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@front-end/bundler/gems/proselytism-1c70e09b3288/lib/proselytism/logger.rb:1:in `<top (required)>'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@front-end/bundler/gems/proselytism-1c70e09b3288/lib/proselytism.rb:5:in `<top (required)>'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `require'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `block (2 levels) in require'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `each'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `block in require'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `each'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `require'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler.rb:132:in `require'
from /home/gsimpson/Code/transform/front-end/config/application.rb:7:in `<top (required)>'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@front-end/gems/railties-4.0.0/lib/rails/commands.rb:44:in `require'
from /home/gsimpson/.rvm/gems/ruby-2.0.0-p247@front-end/gems/railties-4.0.0/lib/rails/commands.rb:44:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'

[aahlad-allari]

ActiveSupport::BufferedLogger Has been deprecated instead we must use ActiveSupport::Logger