dist: pyterm control server (incl. support for multiple testbeds)
Merge pull request #1610 from phiros/feature_pytermcontroller

dist/pyterm: control server incl. support for multiple testbeds
iot-lab_M3: fix numof uart
Merge pull request #1686 from mehlis/iot-lab_M3-fix-numof-uart

iot-lab_M3: fix numof uart
lint: limit maximum length of input via scanf
Merge pull request #1687 from N8Fear/invalidscanf

lint: limit maximum length of input via scanf