Add module/class `git'

refs #6842
Add module/class `cmmi_dir'

refs #6842
Add module/class `git_cmmi'

refs #6842
Profile `icinga2_dev': include monitoring_plugins and monitoring_test_config

refs #6842
icingaweb2::config::general: hardcode '/etc/icingaweb' once less

refs #6842
Profile `icingaweb2_dev': add user `apache' to group `icingacmd'

refs #6842
Update 'resources.ini'

refs #6842