title: Boolean properties in gradle.properties file is read as string
body: <p>I am new to gradle. I have a boolean property in gradle.properties file. When I tried to access it, the property is set as string. The string property always seemed to be evaluated as true when the string is not null and not empty.</p>
  
  <p>My gradle.properties looks like this </p>
  
  <pre><code>enableGradleApp=false
  </code></pre>
  
  <p>and my settings.gradle looks like </p>
  
  <pre><code>if (enableGradleApp) {
  println 'Enabled core'
  }
  </code></pre>
  
  <p>The message 'Enabled Core' is always gets printed.</p>
  
  <p>Need some help please</p>