Add tags to ec2.robot
Add tags to ec2.robot

Change-Id: Ia39573536ab93ae6d12f30f3c8f4259d289afc7a

shaon/eutester,tbeckham/eutester,shaon/eutester,sjones4/eutester,nagyistoce/eutester,nagyistoce/eutester,tbeckham/eutester,nephomaniac/nephoria,sjones4/eutester,sjones4/eutester,shaon/eutester,nephomaniac/eutester,tbeckham/eutester,nephomaniac/eutester,shaon/eutester,sjones4/eutester,nagyistoce/eutester,nagyistoce/eutester,tbeckham/eutester,nephomaniac/eutester,nephomaniac/nephoria