Allow horizontal pan from trackpad wheel event

[fernandotonon]

Summary

Adds the functionality to pan horizontally using the trackpad (QWheelEvent).
I'd still like to use pinch for zooming and the trackpad wheel events only for pan, but this is the best I could do now.

Technical Details

• Adds the ability to pan using QWheelEvent.
• Fixes OS-specific macros in Ogre Widget, the old values were not being defined anymore.
• Adds unitary tests for Space Camera, there are more tests needed, but at least it is a start.
• Fixes possible memory leaking and improves attribute initialization.
• This will be the first PR to use automation for deploying the binaries to the release.

✨ Features

• Adds the functionality to pan horizontally using the trackpad

🐛 Bugfixes

• none