Add handler for removed services

    BaseRemovedInHandler base handler added for generating correct
    response 410 (Gone) for services which were removed in a certain version
    of Fuel.
    BaseRemovedIn51Handler handler implements the response for Fuel 5.1.

Change-Id: I67505ec6f8dca33a7ebeabd82849b7c7162815e3
Closes-Bug: #1335081
Merge "Add handler for removed services"