Add 60h packet jitter measure

Move report descriptions, names etc... into separate file
Update cyclictest-like histograms parsing
Remove all measures and fix bugs

Fix gpio.h
Fix small mistake in print_hist function
Remove sudo command in run-cyclictest
Improve histograms to make them similar to cyclictest's ones

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

Clean up client and add comments
add send_tx_data option
Clean up server and add emit signal option
Delete line breaks between static variables
Update ptp script
Add run-phc2sys script
Add gettime program
Add test-board-synchro script

Add -s and -o options in run-ptp
Add option to use no profile
Add latency threshold for XDP tracing
Add hardware offloading option for ETF
Add option to choose interface in wrapper scripts
Add ptptime program