Build with gradle 3.0 to make things extra speedy

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:2.2.0-beta1'
         classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
         //check with ./gradlew dependencyUpdates
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.13.0'
@@ -19,6 +19,6 @@ allprojects {
     }
 }
-task wrapper(type: Wrapper) {
-    gradleVersion = '2.14.1'
-}
\ No newline at end of file
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.0-all.zip