Allow user to import metadata from a file instead

Print lost packets in the server histogram
Remove trailing comma in client histogram printing
Prevent user to enable histgrams without enabling timestamps in client wrapper script
Rename scripts by replacing underscores with a dash

Add packet-histogram-start and packet-histogram-stop scripts,
which automates the generation of histograms by ssh'ing on the
boards using expect script

commit 34de2bfd
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Fri Jun 26 13:06:26 2020 +0200

    Update description to remove the outdated mention of user space timestamps

commit 631dc199
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Fri Jun 26 13:04:46 2020 +0200

    Remove property name in the lost packets column

commit 6c2a2eb0
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Fri Jun 26 11:28:16 2020 +0200

    Show lost packets in measures concerning packets, and add jitter measure

commit 70312c5c
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Thu Jun 25 17:54:49 2020 +0200

    Add new packet_recv_timestamp measure

commit f02e943f
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Thu Jun 25 16:33:15 2020 +0200

    Add new packet jitter measures

commit 9a344e10
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Thu Jun 25 09:55:23 2020 +0200

    Remove outdated measures

commit 70312c5c
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Thu Jun 25 17:54:49 2020 +0200

    Add new packet_recv_timestamp measure

commit f02e943f
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Thu Jun 25 16:33:15 2020 +0200

    Add new packet jitter measures

commit 9a344e10
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Thu Jun 25 09:55:23 2020 +0200

    Remove outdated measures

commit a804a54c
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 15:26:32 2020 +0200

    Fix histogram printing mistakes

commit b62397e6
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 15:21:20 2020 +0200

    Clean up histogram printing and fix missing bracket

commit 8f5998b7
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 15:02:22 2020 +0200

    Fix compilation error caused by previous commit

commit 3f4964a6
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 15:01:20 2020 +0200

    Compute userspace timestamp after recvmsg in recvpacket

commit f09aa981
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 14:55:02 2020 +0200

    Fix timestamp buffer segmentation fault in recv_packet

commit 1593fe37
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 14:43:54 2020 +0200

    Allow displaying timestamps without enabling histograms in wrapper script

commit bd13db96
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 14:37:52 2020 +0200

    Fix still present segmentation fault caused by incrementing index without modulo

commit d067cff7
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 14:33:50 2020 +0200

    Fix segmentation fault caused by incorrectly accessing the cyclic timestamp buffer

commit 53fd7c47
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 13:58:00 2020 +0200

    Set ETF delta in microseconds instead of nanoseconds in the wrapper script

commit 923296b7
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 11:25:57 2020 +0200

    Set flag enabling error report in error socket queue

commit 53fd7c47
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 13:58:00 2020 +0200

    Set ETF delta in microseconds instead of nanoseconds in the wrapper script

commit 923296b7
Author: Johan Hugé <johan.huge@nexedi.com>
Date:   Wed Jun 24 11:25:57 2020 +0200

    Set flag enabling error report in error socket queue