build.gradle

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

buildscript {
    ext.kotlin_version = '1.1.4-2'
    repositories {
        maven { url 'https://maven.google.com' }
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0-alpha7'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}
allprojects {
    repositories {
        mavenCentral()
        maven {
            url "https://s3.amazonaws.com/repo.commonsware.com"
        }
        maven { url "https://repo.eclipse.org/content/groups/releases/" }
        maven { url "https://repo.commonsware.com.s3.amazonaws.com" }
        maven { url 'https://jitpack.io' }
    }
}

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