title: error after adding library 'com.ramimartin.bluetooth:AndroidBluetoothLibrary:1.0.1-SNAPSHOT'
body: <p>I've added this library but when i want to build the project for debug it shows error like below </p>
  
  <pre><code>Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'.
  &gt; com.android.build.api.transform.TransformException:java.util.zip.ZipException: duplicate entry: android/support/v4/util/DebugUtils.class
  </code></pre>
  
  <p>i tried everything like</p>
  
  <pre><code>multiDexEnabled true
  </code></pre>
  
  <p>or</p>
  
  <pre><code>dexOptions {
      javaMaxHeapSize "3g" //specify the heap size for the dex process
  }
  </code></pre>
  
  <p>or</p>
  
  <pre><code>exclude group: 'com.android.support', module: 'support-v4'
  </code></pre>
  
  <p>but didn't work for me.</p>
  
  <p>this is my build.gradle file dependencies</p>
  
  <pre><code>dependencies {
  compile fileTree(dir: 'libs', include: ['*.jar'])
  compile ('com.journeyapps:zxing-android-embedded:3.2.0@aar') {
          exclude group: 'com.android.support', module: 'support-v4'
  }
  compile ('com.google.zxing:core:3.2.1'){
      exclude group: 'com.android.support', module: 'support-v4'
  }
  testCompile 'junit:junit:4.12'
  compile 'com.android.support:appcompat-v7:23.1.1'
  compile 'com.android.support:design:23.1.1'
  compile ('com.ramimartin.bluetooth:AndroidBluetoothLibrary:1.0.1-SNAPSHOT') {
      exclude group: 'com.android.support', module: 'support-v4'
  }
  }
  </code></pre>
  
  <p>appreciate all of your suggestions.</p>