Add client version to the client app and send it to the management service (#218)

* moved wiretrustee version from main to system.info

* added wiretrustee version for all supported platforms

* typo corrected

* refactor: use single WiretrusteeVersion() func to get version of the client

Co-authored-by: braginini <bangvalo@gmail.com>

client/system/info_windows.go

@@ -31,5 +31,7 @@ func GetInfo() *Info {
 	}
 	gio := &Info{Kernel: "windows", OSVersion: ver, Core: ver, Platform: "unknown", OS: "windows", GoOS: runtime.GOOS, CPUs: runtime.NumCPU()}
 	gio.Hostname, _ = os.Hostname()
+	gio.WiretrusteeVersion = WiretrusteeVersion()
+
 	return gio
 }