CDClient cleanup and optimization (#1023)

* CDClient cleanup and optimization

- Use static function to get table name
- Remove unused GetName function
- Replace above function with a static GetTableName function
- Remove verbose comments
- Remove verbose initializers
- Remove need to specify table name when getting a table by name
- Remove unused typedef for mac and linux

* Re-add unused table

Convert tables to singletons

- Convert all CDClient tables to singletons
- Move Singleton.h to dCommon
- Reduce header clutter in CDClientManager

dDatabase/Tables/CDObjectsTable.h

@@ -3,12 +3,6 @@
 // Custom Classes
 #include "CDTable.h"
 
-/*!
- \file CDObjectsTable.hpp
- \brief Contains data for the Objects table
- */
-
- //! RebuildComponent Struct
 struct CDObjects {
 	unsigned int id;                            //!< The LOT of the object
 	std::string name;                      //!< The internal name of the object
@@ -26,29 +20,14 @@ struct CDObjects {
 	UNUSED(unsigned int HQ_valid);                      //!< Probably used for the Nexus HQ database on LEGOUniverse.com
 };
 
-//! ObjectSkills table
-class CDObjectsTable : public CDTable {
+class CDObjectsTable : public CDTable<CDObjectsTable> {
 private:
-	//std::vector<CDObjects> entries;
 	std::map<unsigned int, CDObjects> entries;
 	CDObjects m_default;
 
 public:
-
-	//! Constructor
-	CDObjectsTable(void);
-
-	//! Destructor
-	~CDObjectsTable(void);
-
-	//! Returns the table's name
-	/*!
-	  \return The table name
-	 */
-	std::string GetName(void) const override;
-
-	//! Gets an entry by ID
+	CDObjectsTable();
+	// Gets an entry by ID
 	const CDObjects& GetByID(unsigned int LOT);
-
 };