Eluna implementation (#847)

* azerothcore + eluna done.

* Remove the Eluna single thread limit.

* Read Eluna Settings file.

* submodule change.

* fix(test)  Ubuntu - Cant Link Library after Compile

* The ELUNA is disabled by default.

* remove submodule luaEngine.

* some change

* fix a error

* change cmake

* fix: some onplayerchat does not have hooks.

* Eluna: Add BG event Hooks.

* fix:cmake hook AFTER_LOAD_CONF not work.

* Remove the eluna switch.

* Remove some define in the core.

* fix conf file not read in the linux.

* eluna : change bg hook parameter type

* Remove TC log function call

* change bg hook OnBGEnd parameter type.


Note: to enable Eluna, the module is required

src/server/game/DataStores/DBCStructure.h

@@ -646,7 +646,7 @@ struct ChrClassesEntry
                                                             // 1, unused
     uint32  powerType;                                      // 2
                                                             // 3-4, unused
-    //char*       name[16];                                 // 5-20 unused
+    char*       name[16];                                 // 5-20 unused
                                                             // 21 string flag, unused
     //char*       nameFemale[16];                           // 21-36 unused, if different from base (male) case
                                                             // 37 string flag, unused

src/server/game/DataStores/DBCfmt.h

@@ -22,7 +22,7 @@ char const BattlemasterListEntryfmt[] = "niiiiiiiiixssssssssssssssssxiixx";
 char const CharStartOutfitEntryfmt[] = "dbbbXiiiiiiiiiiiiiiiiiiiiiiiixxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
 char const CharTitlesEntryfmt[] = "nxssssssssssssssssxssssssssssssssssxi";
 char const ChatChannelsEntryfmt[] = "nixssssssssssssssssxxxxxxxxxxxxxxxxxx"; // ChatChannelsEntryfmt, index not used (more compact store)
-char const ChrClassesEntryfmt[] = "nxixxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxixii";
+char const ChrClassesEntryfmt[] = "nxixssssssssssssssssxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxixii";
 char const ChrRacesEntryfmt[] = "nxixiixixxxxixssssssssssssssssxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxi";
 char const CinematicSequencesEntryfmt[] = "nxxxxxxxxx";
 char const CreatureDisplayInfofmt[] = "nixxfxxxxxxxxxxx";