title: Mapbox: Cant add LocationLayer plugin in gradle
body: <p>when I try to include the LocationLayer plugin in my gradle file I get an error.
  The traffic plugin and building plugin work fine.</p>
  
  <p>The error:</p>
  
  <pre><code>Failed to resolve: android.arch.lifecycle:extension:1.0.0-alpha3
  
  Failed to resolve: android.arch.lifecycle:runtime:1.0.0-alpha3
  </code></pre>
  
  <p>build.gradle:</p>
  
  <pre><code>repositories {
  
  mavenCentral()
  
  }
  
  dependencies {
  
      //Mapbox
      compile('com.mapbox.mapboxsdk:mapbox-android-sdk:5.1.0@aar') {
          transitive = true
      }
  
      //Navigation
      compile 'com.mapbox.mapboxsdk:mapbox-android-navigation:0.3.1'
      //Location layer
      compile 'com.mapbox.mapboxsdk:mapbox-android-plugin-locationlayer:0.1.0'
      //Google Play Location Service
      compile 'com.google.android.gms:play-services-location:11.0.2'
      //Geolocation
      compile 'com.mapbox.mapboxsdk:mapbox-android-ui:2.1.3'
  
      compile fileTree(include: ['*.jar'], dir: 'libs')
      androidTestCompile('com.android.support.test.espresso:espressocore:2.2.2', {
          exclude group: 'com.android.support', module: 'support-annotations'
      })
      compile 'com.android.support:appcompat-v7:25.3.1'
      compile 'com.android.support.constraint:constraint-layout:1.0.2'
      testCompile 'junit:junit:4.12'
  }
  </code></pre>