build script dependencies

build.gradle

buildscript {
    ext {
        springBootVersion = '1.2.1.RELEASE'
        cassandraDriverVersion = "2.1.4"
    }
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
        classpath("com.datastax.cassandra:cassandra-driver-core:${cassandraDriverVersion}")
    }
}