Changes:
- update windows exporter to 0.29.1
- wmi: always set en_US language in query (#156)
- check_eventlog: fix time offset parsing (#157)
- add /api/v1/inventory/{module} rest endpoint to get specific inventory
- add exporter to inventory list
- fix updates from custom urls
- add /api/v1/admin/updates/install endpoint to trigger update
- fix agent not starting if exporter_modules folder does not exist
- check_files: add version macro support for .exe/.dll files
- fix missing thresholds when using perf-syntax
- add check_ping plugin
- check_process: check default empty-state to critical