Adds html5shiv; removes Bitters; IE conditional comments

config/initializers/assets.rb

@@ -11,3 +11,5 @@ Rails.application.config.assets.version = '1.0'
 # Rails.application.config.assets.precompile += %w( search.js )
 
 Rails.application.config.assets.precompile += ['vendor/assets/**/*']
+
+Rails.application.config.assets.precompile += %w(ie9.js)