Adapted time inerval for debugging
Increased timeouts and switched back to system polling instead zmq.
Merge branch 'master' of https://github.com/Fab7c4/cletus

Changes made on beaglebone
Setting printer to PUSH/PULL because of interleaving queues.
Sending over one socket from uart.
Receiving over one socket but filter according to message id.
Reduce uart speed to B57600.
Added protype for bens p-controller
Make sure that we reduce loosing bytes on uart.
Adapted simulator for message filtering.
Adapted simulator for message filtering
Try system poll function for cpu usage.
Implementation of bens controller.
Set actuator scale coefficient to 1
Try with interrupts to get CPU usage of Uart down
Small bug in tutorial for signal handler
Merge changes from beaglebone
Merge branch 'master' of https://github.com/Fab7c4/cletus
Use seperate thread for signal handler and...
- use specific RT signal for UART
- block uart signal in main thread and allow it in reading thread.
Get back to poll functionality.
Do uart reading in run_sensors
Uart reading using epoll because it should be faster.