[statsd] add a statsd_timethis context manager This context manager allows to report to statsd the execution time of any piece of code, without the need for it to be a function or a method, like:: def some_function(): do_stuff() with statsd_timethis('some context message'): do_that() ensure_this()

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances