Throw ChangeOpException on error in ChangeOps

Change-Id: I341cd81a63627416279e409de2c705d7b9749dda
Put common params into modifyClaim and add bot-edit flag

Change-Id: Id3a06bee2046d98b0d65196b53b81b281c88a9e1
Merge changes Id3a06bee,I341cd81a

* changes:
  Put common params into modifyClaim and add bot-edit flag
  Throw ChangeOpException on error in ChangeOps