Face Recognition using OpenVINO and NCS2

[fjp]

Add face recognition capabilities using OpenVINO and the NCS2.

Curated list of resources (thanks to @issaiass):

• OpenVINO Toolkit start page
• OpenVINO Demos
• OpenVINO Inference Engine Demos
• OpenVINO Models Zoo: (download.01.org)
• OpenVINO Model Zoo: (github)
• OpenVINO™ toolkit | Tutorial Series | Intel Software
• PINTO0309