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

[Gerry Boland]

Review: Approve

/me wonders what happens if a client asks to move & resize a surface type that mir considered not-movable. Does it still get resized?

I guess we'll figure that out when we hit an example of that.

But confirmed this works ok with Kate and a few Qt demos
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https://code.launchpad.net/~dandrader/qtubuntu/resizeToolTip/+merge/313799
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