[Zoom] Added sources
[Update] Retrieve coordinates for both hand options

either 1 or 2 hands.
[Zoom] function to handle hand

Tasks:
Find out if hand is open or closed (OpenCV issue)
Find out the coordinates for zoom
Add event for GUIAdapter for zooming
[Zoom] Segmentation test

Testing purposes for next task
[Zoom] Contour test

Added sources for detecting contours from example
Merge branch 'develop' of https://github.com/marconak/Arvis into features-KinectZoom-Marek
[Zoom] Added mouse scroll event

TODO:
Need to repair mouse scrolling
[Zoom] fixed zooming

set threshold
image of hand in Debug mode
[Zoom] Added comments
[Zoom] Added button to enable/disable zoom option
[Doc] add cmake
Merge branch 'develop' into features-KinectZoom-Marek
Merge branch 'features-KinectZoom-Marek' into develop
Merging the teams last work.

Merge commit '4e03f05af0e35a410bb763c48a938d2221311492'
Fixed warnings

(cherry picked from commit c4025c5cf2b72084cd390048528d51dc9180be8a)