buildSrc/build.gradle

apply plugin: 'groovy'
repositories {
    mavenCentral()
    jcenter()
    maven { url "https://dl.bintray.com/kotlin/kotlin-eap" }
    maven { url "https://dl.bintray.com/kotlin/kotlin-dev" }
}
dependencies {
    compile 'com.github.jengelman.gradle.plugins:shadow:2.0.1'
}