title: Heroku client internal error. Unable to verify certificate
body: <p>Heroku keys, heroku run rake etc seem to be having issues
  Anyone else having this issue? / know how to get around it ?
  Thanks !</p>
  
  <p>Trace--
  !    Heroku client internal error.
   !    Search for help at: <a href="https://help.heroku.com" rel="noreferrer">https://help.heroku.com</a>
   !    Or report a bug at: <a href="https://github.com/heroku/heroku/issues/new" rel="noreferrer">https://github.com/heroku/heroku/issues/new</a></p>
  
  <pre><code>Error:       Unable to verify certificate, please set `Excon.defaults[:ssl_ca_path] = path_to_certs`, `Excon.defaults[:ssl_ca_file] = path_to_file`, or `Excon.defaults[:ssl_verify_peer] = false` (less secure). (Excon::Errors::SocketError)
  Backtrace:   /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/ssl_socket.rb:69:in `connect'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/ssl_socket.rb:69:in `initialize'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/connection.rb:365:in `new'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/connection.rb:365:in `socket'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/connection.rb:105:in `request_call'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/middlewares/mock.rb:42:in `request_call'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/middlewares/instrumentor.rb:22:in `request_call'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/middlewares/base.rb:15:in `request_call'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/middlewares/base.rb:15:in `request_call'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/excon-0.25.0/lib/excon/connection.rb:244:in `request'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-api-0.3.13/lib/heroku/api.rb:76:in `request'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-api-0.3.13/lib/heroku/api/login.rb:9:in `post_login'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/auth.rb:80:in `api_key'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/auth.rb:189:in `ask_for_credentials'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/auth.rb:221:in `ask_for_and_save_credentials'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/auth.rb:84:in `get_credentials'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/auth.rb:74:in `password'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/auth.rb:17:in `api'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/command/base.rb:40:in `api'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/command/keys.rb:27:in `index'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/command.rb:206:in `run'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/lib/heroku/cli.rb:28:in `start'
               /usr/local/rvm/gems/ruby-1.9.3-p194/gems/heroku-2.39.4/bin/heroku:17:in `&lt;top (required)&gt;'
               /usr/local/rvm/gems/ruby-1.9.3-p194/bin/heroku:19:in `load'
               /usr/local/rvm/gems/ruby-1.9.3-p194/bin/heroku:19:in `&lt;main&gt;'
               /usr/local/rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval'
               /usr/local/rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `&lt;main&gt;'
  
  Command:     heroku keys
  Version:     heroku-gem/2.39.4 (x86_64-darwin11.4.0) ruby/1.9.3
  </code></pre>