title: android missing in eclipse
body: <p>i just updated eclipse using Help > Check for Updates, but after i restarted eclipse, everything Android related in it just went missing, i can't create an Android project, can't find my AVD manager, etc. i tried reinstalling the ADT plugin using Help > install new software, but it says that the ADT was already installed.</p>
  
  <p>i'm lost here, anybody can help? thank you so much</p>