Merge branch 'devel' into release

conf/scripts/sqldb-migrate.sh

conf/scripts/sqldb-optimize.sh

...mplates/informant/translations/cs/LC_MESSAGES/messages.po

conf/templates/reporter/_macros.common.txt.j2

conf/templates/reporter/default.extra_v2.txt.j2

conf/templates/reporter/default.summary_v2.txt.j2

...emplates/reporter/translations/cs/LC_MESSAGES/messages.po

doc/sphinx/_doclib/development.rst

doc/sphinx/_doclib/installation.rst

doc/sphinx/_doclib/upgrading.rst

etc/default/mentat

etc/systemd/system/mentat.service

etc/systemd/system/sendria.service

hawat.local.conf

lib/hawat/__init__.py

lib/hawat/blueprints/dbstatus/__init__.py

...wat/blueprints/dbstatus/templates/dbstatus/dashboard.html

lib/hawat/blueprints/groups/forms.py

...hawat/blueprints/groups/templates/groups/creatupdate.html

lib/hawat/blueprints/groups/templates/groups/list.html