am b3716578: am f64e9a8f: am 03345389: Merge "Delete everything from the...

am b3716578: am f64e9a8f: am 03345389: Merge "Delete everything from the shareables/ directory to save space on dac. All of the training ZIPs are now located in development/samples/training/zips/ Added a readme file to explain this change toward using cloud storage in

* commit 'b3716578':
  Delete everything from the shareables/ directory to save space on dac. All of the training ZIPs are now located in development/samples/training/zips/ Added a readme file to explain this change toward using cloud storage instead.