title: How to install Polymer iron-elements using bower?
body: <p>How to install polymer iron and paper elements for Polymer 0.9 using bower? Tried using bower to install in a way similar to core-elements but fails. Migration guide doesn't provide any information on upgrading core/iron or paper elements.</p>
  
  <pre><code>bower install Polymer/iron-elements#^0.9.0
  
  bower iron-elements#^0.9.0  not-cached git://github.com/Polymer/iron-elements.git#^0.9.0
  bower iron-elements#^0.9.0     resolve git://github.com/Polymer/iron-elements.git#^0.9.0
  bower iron-elements#^0.9.0     ECMDERR Failed to execute "git ls-remote --tags --heads git://github.com/Polymer/iron-elements.git", exit code of #128 fatal: remote error:    Repository not found.
  </code></pre>