build.gradle

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

buildscript {
    { p, cfg = "rpx-config.gradle" -> if (new File(p, cfg).exists()) apply from: "${p}/${cfg}" else if (p.exists()) call(p.parentFile) }(buildscript.sourceFile.parentFile)
    repositories repositoriesExt
    dependencies {
        classpath classpathExt['android-build-tools']
        classpath classpathExt['android-maven-gradle-plugin']
    }
}

allprojects {
    repositories repositoriesExt
}

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