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