Added calculation of adjacent matrix between nodes
started work on error animation
Merge branch 'gradient_time_synchronization_protocol' of https://github.com/Jentsch/RIOT into gradient_time_synchronization_protocol

Conflicts:
	examples/timesync/dist/loganalyzer.py
Fixed calculation of local error, but could be improved
cont. working on global error
Merge branch 'gradient_time_synchronization_protocol' of https://github.com/Jentsch/RIOT into gradient_time_synchronization_protocol

Conflicts:
	examples/timesync/dist/loganalyzer.py