[Merge] lp:~phablet-team/history-service/fix_qtdbus_5.6 into lp:history-service/staging

[Roberto Mier Escandón ]

Review: Needs Fixing

Tests are not aligned with telepathy 0.9.7

A question: Why is it needed register the service after the object?
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https://code.launchpad.net/~phablet-team/history-service/fix_qtdbus_5.6/+merge/309398
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