build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.0.0-alpha7'
        classpath 'me.tatarka:gradle-retrolambda:3.2.4'
        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
    }
}

allprojects {
    repositories {
        jcenter()
        maven { url "https://jitpack.io" }
        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}