Implement initial expedition system

Add Expeditions logging category

Add handlers for all Dynamic Zone/Expedition related opcodes

Add FormatName string_util function to format character names

Add Zone::IsZone helper method

Add cross zone MessageString support with variable parameters

Add static Client method helpers for cross zone messaging

Add #dz gm command to debug expedition cache for current zone

common/string_util.cpp

@@ -592,3 +592,14 @@ std::string numberToWords(unsigned long long int n)
 
 	return res;
 }
+
+std::string FormatName(const std::string& char_name)
+{
+	std::string formatted(char_name);
+	if (!formatted.empty())
+	{
+		std::transform(formatted.begin(), formatted.end(), formatted.begin(), ::tolower);
+		formatted[0] = ::toupper(formatted[0]);
+	}
+	return formatted;
+}