[Quest API] Add Native Database Querying Interface (#4531)

* Add database quest API

API functions are named to be similar to LuaSQL and perl DBI

New connections are made for Database objects. These can either use
credentials from the server eqemu_config or manual connections.

* Add option to use zone db connections

zone/embparser.cpp

@@ -58,6 +58,7 @@ void perl_register_expedition_lock_messages();
 void perl_register_bot();
 void perl_register_buff();
 void perl_register_merc();
+void perl_register_database();
 #endif // EMBPERL_XS_CLASSES
 #endif // EMBPERL_XS
 
@@ -1185,6 +1186,7 @@ void PerlembParser::MapFunctions()
 	perl_register_bot();
 	perl_register_buff();
 	perl_register_merc();
+	perl_register_database();
 #endif // EMBPERL_XS_CLASSES
 }