Nectar camera server

First camera server from PapARt project.

Deprecated in PapARt 1.6

How to use

1. Build the program.

mvn package

2. Start a camera

## OpenCV camera
java -jar -Xmx64m target/nectar-camera-server-0.1-SNAPSHOT-jar-with-dependencies.jar --driver OPENCV --device-id 0 --format rgb --output camera0 --resolution 640x480 --stream --stream-set --depth-camera camera0:depth"

## Depth camera
java -jar -Xmx64m target/nectar-camera-server-0.1-SNAPSHOT-jar-with-dependencies.jar --driver OPENNI2 --device-id 0 --format rgb --output camera0 --resolution 640x480 --stream --depth-camera camera0:depth"

## Play a video
java -jar -Xmx64m target/nectar-camera-server-0.1-SNAPSHOT-jar-with-dependencies.jar --driver FFMPEG --device-id "/home/ditrop/Documents/chat-fr.mp4" --format video --output video0	--stream --stream-set