Merge branch 'sysmngr' into 'devel'

.gitignore

.gitlab-ci.yml

LICENSE

docs/.pages

docs/api/.pages

docs/arch/.pages

docs/guide/.pages

docs/guide/libbbfdm_DeviceInfo_FirmwareImage.md

docs/guide/libbbfdm_DeviceInfo_Reboots.md

docs/spec/.pages

gitlab-ci/install-dependencies.sh

gitlab-ci/shared.sh

src/Makefile

src/configs.c

src/configs.h

src/datamodel_description.json

src/deviceinfo.c

src/files/usr/share/bbfdm/scripts/bbf_activate_handler.sh

src/files/usr/share/bbfdm/scripts/bbf_check_idle.sh

src/files/usr/share/bbfdm/scripts/bbf_reboot_handler.sh