core/build.gradle

buildscript {
    repositories {
        mavenLocal()
        jcenter()
        mavenCentral()
    }
}

repositories {
    mavenLocal()
    jcenter()
    mavenCentral()
    maven { url "https://kotlin.bintray.com/kotlinx" }
}

allprojects {
    ext {
        projectByName = { name ->
            for (subproject in rootProject.subprojects) {
                if (subproject.name == name) {
                    return subproject
                }
            }
            return null
        }
    }
}