title: unable to create new project in Android Studio
body: <p>I am new to Android Studio and I can't create or import any project. When I tried to import a new project, it show error like:</p>
  
  <pre>
  Could not find any version that matches com.android.support:support-v4:21.0.+.
  Searched in the following locations:
      https://repo1.maven.org/maven2/com/android/support/support-v4/maven-metadata.xml
      https://repo1.maven.org/maven2/com/android/support/support-v4/
  Required by:
      Telegram-master:TMessagesProj:unspecified
  
  Consult IDE log for more details (Help | Show Log)
  </pre>
  
  <p>Please help me solve this problem.</p>