title: No such property: sonatypeUserName for class: org.gradle.api.publication.maven.internal.ant.DefaultGroovyMavenDeployer
body: <p>I'm trying to use this blibioteca <a href="https://github.com/mg6maciej/android-maps-extensions">android-maps-extensions</a> because I need to fix more than 1000 markers on my map .</p>
  
  <p>Added the project dependencies in my project :</p>
  
  <pre><code>compile project (':android-maps-extensions')
  </code></pre>
  
  <p>But when I update build.gradle get the following error :</p>
  
  <blockquote>
    <p>No such property : for class sonatypeUserName :
    org.gradle.api.publication.maven.internal.ant.DefaultGroovyMavenDeployer</p>
  </blockquote>
  
  <p>The username and password appear to be incorrect or something , this code is part of the project I'm build.gradle matter how library:</p>
  
  <pre><code>...
  
  pom.project {
      name 'Android Maps Extensions'
      description 'Library extending capabilities of Google Maps Android API v2'
      inceptionYear '2013'
      url 'http://AndroidMapsExtensions.com'
      packaging 'aar'
  
      developers {
          developer {
              name 'Maciej Górski'
              id 'mg6maciej'
              email 'maciek.gorski@gmail.com'
              url 'http://mg6.pl'
          }
      }
  
      licenses {
          license {
              name 'The Apache Software License, Version 2.0'
              url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
              distribution 'repo'
         }
      }
  
      scm {
          url 'https://github.com/mg6maciej/android-maps-extensions'
          connection 'scm:git:https://github.com/mg6maciej/android-maps-extensions.git'
          developerConnection 'scm:git:https://github.com/mg6maciej/android-maps-extensions.git'
          }
      }
  
  ...
  </code></pre>
  
  <p>Any suggestions ?</p>