title: Error running android: Gradle project sync failed. Please fix your project and try again
body: <p>Android Studio (1.2 RC0) keeps telling me 
  <code>Error running android: Gradle project sync failed. Please fix your project and try again.</code> 
  How can I find out what the problem is? Unfortunately the solutions from <a href="https://stackoverflow.com/questions/21066598/android-studio-0-4-2-gradle-project-sync-failed-error">this SO thread</a> did not help.</p>