[Merge] lp:~ahayzen/ubuntu-settings-components/fix-compiler-warnings into lp:~phablet-team/ubuntu-settings-components/printer-components

[Andrew Hayzen]

Andrew Hayzen has proposed merging lp:~ahayzen/ubuntu-settings-components/fix-compiler-warnings into lp:~phablet-team/ubuntu-settings-components/printer-components.

Commit message:
* Resolve console warnings - add TODOs in methods that should be implemented where I've put a fake return value for now
* Set a default for switches that compiler thinks it can reach the end of the control without
* Add return values for methods that are not implemented yet
* Add Q_UNUSED for parameters that aren't used

Requested reviews:
  Ubuntu Phablet Team (phablet-team)

For more details, see:
https://code.launchpad.net/~ahayzen/ubuntu-settings-components/fix-compiler-warnings/+merge/316457

* Resolve console warnings - add TODOs in methods that should be implemented where I've put a fake return value for now
* Set a default for switches that compiler thinks it can reach the end of the control without
* Add return values for methods that are not implemented yet
* Add Q_UNUSED for parameters that aren't used
-- 
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~ahayzen/ubuntu-settings-components/fix-compiler-warnings into lp:~phablet-team/ubuntu-settings-components/printer-components.
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