if (!hasProperty('scalaVersion')) {
  ext.scalaVersion = '2.10.4'
}
ext.defaultScalaVersion = '2.10.4'
if (scalaVersion.startsWith('2.10')) {
    ext.baseScalaVersion = '2.10'
} else if (scalaVersion.startsWith('2.11')) {
    ext.baseScalaVersion = '2.11'
} else {
    ext.baseScalaVersion = scalaVersion
}