First report on development and optimization of use-cases

First report on the development and optimization of the three use-cases 1. smart home/city, 2. infection research and 3. machine learning. For each use-case the status of the implementations and status/plans for optimizations will be described. Also, the development status of the secure IoT gateway will be reported. T5.2, T5.3, T5.4, T5.5