title: Firebase pods not installing correctly
body: <p>I am trying to install some Firebase pods into my project but I am getting the error message below in my Terminal window;</p>
  
  <p><code>[!] Unable to read the license file 'LICENSE' for the spec 'Firebase (6.21.0)'</code></p>
  
  <p>Here is my podfile;</p>
  
  <pre><code># Uncomment the next line to define a global platform for your project
  # platform :ios, '9.0'
  
  target 'UberTutorial' do
    # Comment the next line if you don't want to use dynamic frameworks
    use_frameworks!
  
    # Pods for UberTutorial
    pod 'Firebase/Core'
    pod 'Firebase/Database'
    pod 'Firebase/Auth'
    pod 'Firebase/Storage'
    pod 'GeoFire', '&gt;= 1.1'
  
  end
  </code></pre>