When installing 1.4 RC2 via .deb noticed errors in production.log for "undefined method `chefproxy_proxies'", further investigation showed "foreman-rake db:seed" fails:

• Invoke db:seed (first_time)
• Execute db:seed
• Invoke db:abort_if_pending_migrations (first_time)
• Invoke environment (first_time)
• Execute environment
• Invoke db:load_config (first_time)
• Execute db:load_config
• Execute db:abort_if_pending_migrations
  [deprecated] I18n.enforce_available_locales will default to true in the future. If you really want to skip validation of your locale you can set I18n.enforce_available_locales = false to avoid this message.
  rake aborted!
  Unable to create medium: Path has already been taken
  /usr/share/foreman/db/seeds.rb:121
  /usr/share/foreman/db/seeds.rb:112:in `each'
  /usr/share/foreman/db/seeds.rb:112
  /usr/share/foreman/vendor/ruby/1.8/gems/audited-3.0.0/lib/audited/auditor.rb:250:in `call'
  /usr/share/foreman/vendor/ruby/1.8/gems/audited-3.0.0/lib/audited/auditor.rb:250:in `without_auditing'
  /usr/share/foreman/db/seeds.rb:110
  /usr/share/foreman/vendor/ruby/1.8/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
  /usr/share/foreman/vendor/ruby/1.8/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
  /usr/share/foreman/vendor/ruby/1.8/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
  /usr/share/foreman/vendor/ruby/1.8/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
  /usr/share/foreman/vendor/ruby/1.8/gems/railties-3.2.16/lib/rails/engine.rb:525:in `load_seed'
  /usr/share/foreman/vendor/ruby/1.8/gems/activerecord-3.2.16/lib/active_record/railties/databases.rake:347
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:236:in `call'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:236:in `execute'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:231:in `each'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:231:in `execute'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:175:in `invoke_with_call_chain'
  /usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:168:in `invoke_with_call_chain'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/task.rb:161:in `invoke'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:149:in `invoke_task'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:106:in `top_level'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:106:in `each'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:106:in `top_level'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:115:in `run_with_threads'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:100:in `top_level'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:78:in `run'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:165:in `standard_exception_handling'
  /usr/share/foreman/vendor/ruby/1.8/gems/rake-10.1.1/lib/rake/application.rb:75:in `run'
  /usr/bin/rake:27
  Tasks: TOP => db:seed@