Bug fixes and integration with ChrysCloud

• Changed the LatestVideoImage interface to Unary gRPC call
• Improved response times of LatestVideoImage to be ale to analyze even more connected cameras
• Added In memory buffer probe (start, end and length of the in memory buffer)
• MQTT integration for camera installation and removal from Chrysalis Cloud
• Reporting monitoring to Chrysalis Cloud (memory, cpu, camera online, offline, ...)
• Bug fixes