hardware serial and higher baudrate for mega2560
Merge branch 'integration/inse-isense' into integration/inse-arduino

Conflicts:
	wiselib.testing/algorithms/protocols/reliable_transport/reliable_transport.h
	wiselib.testing/algorithms/semantic_entities/token_construction/token_scheduler.h
debugging reliable transport
for some reason, system seems to stall after some time, logs added
codesize fixes for telosb
timing fixes for arduino
inse/arduino debugging, window adaption without overflow
fix handling of token handover timing clashes
added messduino code, several tiny INSE improvements
fixed token ring corner-case
wip: arduino energy saving
arduino powersaving and messduino
experiments, timing fixes
arduino timer debugging
re-enabled answer timeout in reliable transport
first test with contiki 2.6
experimenting
bugfixing in messduino, contiki and bitmap_allocator
fixes for contiki clock, reliable transport, plotting utility
messduino fixes, experiments