End-to-end HARK stack integration testing

The YOLO stack working from roslaunch to saving images and storing data to a csv file.

Completion includes: Team-verified documentation

Commented code along with a description of the thought processes behind not obvious architectures.
Installation, running, and testing procedures in GitBook.
Enough documentation in the git README to compile and run the system. Team-verified test stack of:
HARK running successfully in Gazebo
HARK successfully isolating and detecting people and publishing detections.
The logging interface successfully receives data from the HARK module and sends it to the logging system.
Logging system successfully saves .wav files to the file system and data to a csv file.

CSUN-SERL / Detection-SARWAI