[Merge] lp:~dandrader/qtubuntu/useApplicationStateAPI into lp:qtubuntu

[Gerry Boland]

Review: Needs Fixing

+    case ApplicationState:
+        return true;
+ break;
no need to break if you return.

- QWindowSystemInterface::handleWindowActivated(window(), Qt::ActiveWindowFocusReason);
that is a weird line to exist. Alberto added it, with comment "Ignore unfocusing events", would like to know why.

Otherwise code looks ok, need to test
-- 
https://code.launchpad.net/~dandrader/qtubuntu/useApplicationStateAPI/+merge/277720
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