Fleshed out ClientManager

* Fleshed out the ClientManager internals
* Folded some ServerApplication methods into ClientManager
* Removed Manager references from ServerApplication
* Corrected server_methods.cpp (compiles)

server/monsters/monster_manager.hpp

@@ -38,8 +38,8 @@
 #include <string>
 
 class MonsterManager:
-	Singleton<MonsterManager>,
-	ManagerInterface<MonsterData, std::string>
+	public Singleton<MonsterManager>,
+	public ManagerInterface<MonsterData, std::string>
 {
 public:
 	//common public methods