[bs] bootspeed results processing working

Signed-off-by: Brad Figg <brad.figg@canonical.com>
[testsprops] added xfstests to the sru list

Signed-off-by: Brad Figg <brad.figg@canonical.com>
[ukb-mail-handler] Be smarter about lts-backport email

Signed-off-by: Brad Figg <brad.figg@canonical.com>
[infrastructure.py] Add host information for animal, zoot and pops

Signed-off-by: Brad Figg <brad.figg@canonical.com>