title: Flatten array with objects into 1 object
body: <p>Given input:</p>
  
  <pre><code>[{ a: 1 }, { b: 2 }, { c: 3 }]
  </code></pre>
  
  <p>How to return:</p>
  
  <pre><code>{ a: 1, b: 2, c: 3 }
  </code></pre>
  
  <p>For arrays <a href="http://underscorejs.org/#flatten">it's not a problem</a> with lodash but here we have array of objects.</p>