Auth/Realmlist: Make use of RealmFlags and rename color to flag (core- and dbwise)

Also fix connecting with realmflag & 4

src/server/authserver/Server/AuthSocket.h

@@ -23,19 +23,6 @@
 #include "BigNumber.h"
 #include "RealmSocket.h"
 
-enum RealmFlags
-{
-    REALM_FLAG_NONE                              = 0x00,
-    REALM_FLAG_INVALID                           = 0x01,
-    REALM_FLAG_OFFLINE                           = 0x02,
-    REALM_FLAG_SPECIFYBUILD                      = 0x04,
-    REALM_FLAG_UNK1                              = 0x08,
-    REALM_FLAG_UNK2                              = 0x10,
-    REALM_FLAG_RECOMMENDED                       = 0x20,
-    REALM_FLAG_NEW                               = 0x40,
-    REALM_FLAG_FULL                              = 0x80
-};
-
 // Handle login commands
 class AuthSocket: public RealmSocket::Session
 {