2022-02-15: rewritten for cmk 2.0
2022-02-19: moved global options under "Default settings"
            added per url settings
            added proxy settings (--proxy, --proxy-user, --proxy-digest/--proxy-basic/--proxy-ntlm/--proxy-anyauth)
            added follow redirects (--location)
            added don't verify certificates (--insecure)
            moved the curl.exe deployment to curl_windows.mkp package
2022-02-20: initial release
2022-02-20: removed "url_effective" from format file (bad output with linux: "url_effective":http://"https//checkmk.com")
            added num_connects, num_redirects, size_download, size_header, speed_download
            added redirect_url, remote_ip, scheme, http_version, http_connect
2022-02-21: added tls/ssl version (--tlsv1.3, --tlsv1.2, --tlsv1.1, --tlsv1.0, --tlsv1,  --sslv3, --sslv2)
            added http version (--http2, --http1.1, --http1.0)
            added header only (--head)
            added user authentication (--user, --basic, --digest, --ntlm, --ntlm-wb, --negotiate, --anyauth)
            added to proxy authentication (--proxy-negotiate)
2022-02-22: added option for cURL check plugin  
            fixed search for curl.exe
2022-02-23: changed items on service info line           
            fixed handling aof user_auth settings
            fixed handling of options from curl.cfg for windows
2022-02-24: changed forbidden_chars from '<>| ' to '"<>#%{}|\^~[]` ' + "'"      
            removed deployment of curl.format
            removed curl.format, replaced by  -w %{json}
            extended search for curl executable to agent dir
            added perfdata/wato for num_headers, size_request, size_upload, speed_upload
            added static output for content_type, errormsg, method, redirect_url, referer, url, url_effective, curl_version
            added --noproxy '*' option
2022-02-25: added plugin interval and timeout options
            added double quotas to curl options for linux to be equal with windows
            optimized plugin file write code
            added noproxy option to default settings
            added option to show raw curl data