Merged Developer From Jokela requested to merge github/fork/Scrumplex/full_camera_zoomable into master Jan 27, 2020

Created by: Scrumplex

Summary

This PR adds the functionality to be able to zoom in or out on the FullCameraViewer.

Dependencies

This PR adds TouchImageViewer as a dependency
- As we are using Android Support instead of Android X we are using the last version supporting Android Support.

How it looks

See it on PeerTube: https://bittube.video/videos/watch/510d0228-b8ca-4426-b89b-6498a85d5a07