Check the API and get it up to date:
 - message manager should not use dbusobjectpath class
 - connman contextAdd should return object path
 - radio settings has missing stuff
 - there might be plenty of other things

More formal "certification" of ofono-qt to specific ofono versions
 - change the versioning to match ofono's
 - when new version of ofono is out, diff of ofono/doc/* could serve
   as a list of things to fix

Convert "void setPowered(bool powered)" type functions to public slots.

SIM toolkit bindings. This requires implementing a d-bus agent and some 
kind of reasonable test. 
 - same for CallHistory.