title: Unable to find signing.gradle, please replace Android buildTypes > signing configs with your own configuration
body: <p>I am trying to build Alexa Android app which i got from github ...But its showing eroor "Unable to find signing.gradle, please replace Android buildTypes > signing configs with your own configuration."
  this is the github link:-<a href="https://github.com/willblaschko/AlexaAndroid" rel="nofollow noreferrer">https://github.com/willblaschko/AlexaAndroid</a></p>
  
  <p>And its showing error from build.gradle file.</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  
  if (file('signing.gradle').exists()) {
  apply from: 'signing.gradle'
  }else{
  throw new TaskExecutionException(null, new Exception("Unable to find 
  signing.gradle, please replace Android buildTypes &gt; signing configs with 
  your own configuration."));
  }
  
   android {
  compileSdkVersion 24
  buildToolsVersion '25.0.0'
  
  defaultConfig {
      applicationId "com.willblaschko.android.alexavoicelibrary"
      minSdkVersion 21
  
      targetSdkVersion 24
      versionCode 5
      versionName "2.1.1"
      multiDexEnabled true;
  }
  
  
  buildTypes {
      debug{
          versionNameSuffix " Debug"
          minifyEnabled false
          shrinkResources false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          signingConfig signingConfigs.releaseConfig
      }
      release {
          minifyEnabled false
          shrinkResources false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          signingConfig signingConfigs.releaseConfig
      }
  }
  
  packagingOptions {
      exclude 'META-INF/LICENSE.txt'
      exclude 'META-INF/NOTICE.txt'
      exclude 'META-INF/DEPENDENCIES'
      exclude 'META-INF/NOTICE'
      exclude 'META-INF/LICENSE'
  }
  }
  
  dependencies {
  compile fileTree(dir: 'libs', include: ['*.jar'])
  testCompile 'junit:junit:4.12'
  compile 'com.android.support:appcompat-v7:24.2.1'
  compile 'com.android.support:recyclerview-v7:24.2.1'
  compile 'com.android.support:multidex:1.0.1'
  
  compile 'com.squareup.okhttp3:okhttp:3.2.0'
  compile project(path: ':libs:AlexaAndroid')
  compile project(path: ':libs:RecorderLevelView')
  compile project(path: ':libs:speechutils-master')
  
  }
  </code></pre>