title: Gradle failed to refresh
body: <p>Everytime I try to add, <code>compile 'com.soundcloud.android:android-crop:1.0.0@aar'</code>
  I get the following error</p>
  
  <pre><code>Error:Timeout waiting to lock buildscript class cache for build file 'C:\Users\De Untouchable\AndroidStudioProjects\Yora\app\build.gradle' (C:\Users\De Untouchable\.gradle\caches\2.2.1\scripts\build_3aewj3nvnlp7huq0b8xvs2ju1\ProjectScript\buildscript). It is currently in use by another Gradle instance.
  Owner PID: unknown
  Our PID: 5744
  Owner Operation: unknown
  Our operation: Initialize cache
  Lock file: C:\Users\De Untouchable\.gradle\caches\2.2.1\scripts\build_3aewj3nvnlp7huq0b8xvs2ju1\ProjectScript\buildscript\cache.properties.lock
  </code></pre>