Added table creation mode, fixed some other details. Next: decide how we want to manage what we want to see, the modes, etc etc..

added area and controlleroutput structs to PPSClient for testing; added CentralManagerService to launch file

Solved zoom issue, now text and handlers will stay same size when zooming. Added IDs. Separated rectangles in 2 kinds: CrazyFlyZone and Table(still to be implemented)

Publishers and callbacks to send data to crazyradio.py added to PPSClient.pps; Crayzradio node added to ppsLaunch.launch; Subcriber added to Crazyradio.py which successfully subscribes to motorCommand even if no cf is connected.

merging stuff from Marco with mine

dis is merge

studentParams.yaml added that will be used by students to change their crazyflie, etc

PPSClient.cpp changed: gets data from ViconDataPublisher and extracts data according the chosen crazyflie. TODO: connection with controller