title: Error:(26, 0) Gradle DSL method not found: 'runProguard()'
body: <p>I'm using android studio 0.9.3 with gradle <code>'com.android.tools.build:gradle:0.14.+'</code></p>
  
  <p>apply plugin: 'com.android.application'</p>
  
  <pre><code>android {
      compileSdkVersion 19
      buildToolsVersion '20.0.0'
  
      defaultConfig {
          applicationId "xxx.xxx.xxx"
          minSdkVersion 16
          targetSdkVersion 19
          versionCode 1
          versionName "1.0.11"
      }
  
      signingConfigs{
          releaseConfig{
              storeFile file("xxxxxxx")
              storePassword = "xxxx"
              keyAlias = "xxxx"
              keyPassword = "xxxx"
          }
      }
  
      buildTypes {
          release {
              runProguard false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
              signingConfig signingConfigs.releaseConfig
  
              // adds version to file name
              applicationVariants.all { variant -&gt;
                  def file = variant.outputFile
                  variant.outputFile = new File(file.parent, file.name.replace(".apk", "-" + defaultConfig.versionName + ".apk"))
              }
          }
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      // You must install or update the Support Repository through the SDK manager to use this dependency.
      // You must install or update the Support Repository through the SDK manager to use this dependency.
      // You must install or update the Google Repository through the SDK manager to use this dependency.
      // You must install or update the Support Repository through the SDK manager to use this dependency.
      compile 'com.android.support:support-v4:19.+'
      compile 'com.android.support:appcompat-v7:19.+'
      compile 'com.mcxiaoke.volley:library:1.0.6'
      compile 'com.google.code.gson:gson:2.2.+'
  }
  </code></pre>
  
  <p>The project compiled before without any changes in that file,
  I'm getting:
  <strong>Error:(26, 0) Gradle DSL method not found: 'runProguard()'</strong><br/></p>
  
  <p>How to fix that?</p>