SNClient

Changes:

- add support for perf-syntax
- check_wmi: add performance data
- check_wmi: add support for empty-syntax
- update check_nsc_web to v0.7.1
- check_service: fix json error
- update windows build framework to wix 3.14 
- improve wmi stability
- add regexp replacement macro post processor
- add if/else conditionals to *-syntax templates
- check_drivesize: does not use parent folder anymore automatically. Use folder=...if required 
- fix windows ps1 wrapped scripts
- check_ntp_offset: add support for other languages
- fix timeout for checks over nrpe

Changes:

- write startup errors to default logfile
- add check_os_updates
- check_files: fix skipping folder to early
- check_eventlog: fix using event id
- check_drivesize: add freespace-ignore-reserved option
- fix wrapped scripts not found
- fix check_drivesize using random volume for sub path
- fix check_drivesize using root folder when checking non-existing path
- fix perf-config when using REST API
- fix timeout handling (fixes #96)

Changes:

- fix crash on windows when parsing empty args (#88)
- check_ntp_offset: support more ntpq tally codes