title: Ruby Could not find mime-types-data-3.2016.0221 in any of the sources (Bundler::GemNotFound)
body: <p>I'm trying to get Ruby up and running but keep running into this problem. 
  OS: Debian 6 Wheezy
  Ruby: 2.2.1
  Rails: 4.2.6</p>
  
  <p>Create a new project:
  Rails new Sample1</p>
  
  <p>Get the famous "We're sorry page", 
  error page:
  <strong>Could not find mime-types-data-3.2016.0221 in any of the sources (Bundler::GemNotFound)</strong>
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/spec_set.rb:94:in <code>block in materialize'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/spec_set.rb:87:in</code>map!'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/spec_set.rb:87:in <code>materialize'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/definition.rb:137:in</code>specs'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/definition.rb:182:in <code>specs_for'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/definition.rb:171:in</code>requested_specs'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/environment.rb:18:in <code>requested_specs'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/runtime.rb:13:in</code>setup'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler.rb:92:in <code>setup'
    /var/lib/gems/1.9.1/gems/bundler-1.11.2/lib/bundler/setup.rb:18:in</code>'
    /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in <code>require'
    /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in</code>require'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:430:in <code>activate_gem'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:297:in</code>block in run_load_path_setup_code'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:435:in <code>running_bundler'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:296:in</code>run_load_path_setup_code'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:100:in <code>preload_app'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:156:in</code>'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:30:in <code>&lt;module:PhusionPassenger&gt;'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:29:in</code>'</p>
  
  <p>I've been trying all day to get this going. I had no idea Ruby would be so tough just to get up and running. </p>