Delete img-kernel-utils as they it needed to be moved to different repo
Remove JSON formatting for histograms
Update gettime
Update print histograms function
Replace all CLOCK_TAI by CLOCK_REALTIME
Change send_tx_delay to uint64_t
Prevent past timestamp from being set to start in client
Use uint64_t for interval in client and server
Prevent continuing if clock_nanosleep fails in client
Change GPIO 49 to 86
Fix mistake in add_ns and make interval and delay an option in test-board-synchro
Remove useless overhead when writing to GPIO
Add script to parse saleae's csv exported measures