<p>Fixes <a href="https://github.com/systemed/iD/issues/1590" class="issue-link" title="Not able to use #background when interacting with iD on OSM main site">systemed/iD#1590</a><br>
Fixes <a href="https://github.com/systemed/iD/issues/1682" class="issue-link" title="add background arg to osm.org ">systemed/iD#1682</a></p>

<hr>

<h4>You can merge this Pull Request by running</h4>
<pre>  git pull https://github.com/jfirebaugh/openstreetmap-website id-background</pre>
<p>Or view, comment on, or merge it at:</p>
<p>  <a href='https://github.com/openstreetmap/openstreetmap-website/pull/444'>https://github.com/openstreetmap/openstreetmap-website/pull/444</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Support background hash parameter for iD</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/444/files#diff-0">app/assets/javascripts/osm.js.erb</a>
    (10)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/444/files#diff-1">app/views/site/_id.html.erb</a>
    (24)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/444.patch'>https://github.com/openstreetmap/openstreetmap-website/pull/444.patch</a></li>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/444.diff'>https://github.com/openstreetmap/openstreetmap-website/pull/444.diff</a></li>
</ul>