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:2.3.0'
        classpath 'com.dicedmelon.gradle:jacoco-android:0.1.1'

        classpath 'com.novoda:bintray-release:0.3.4'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    ext {
        publish_version = '1.5.0'

        //dependencies version
        kotlin_version = '1.0.6'
        result_version = '1.0.5'
        rxjava_version = '1.2.5'

        //android dependencies version
        compile_sdk_version = 25
        build_tool_version = '25.0.2'

        //test dependencies version
        junit_version = '4.12'
        robolectric_version = '3.2.1'
    }

    repositories {
        jcenter()
    }
}