Core: Crash fix (TemporarySummon), remove some warnings and some other minor changes

- "const uint64" and "uint64 const" --> uint64
 - Add some info in LFGDungeonEntry
 - Move some definitions from ".h" files and move to ".cpp"

src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp

@@ -297,7 +297,7 @@ public:
 
         uint64 prisonerGUID;
 
-        void SetGUID(const uint64 guid, int32 /*id*/)
+        void SetGUID(uint64 guid, int32 /*id*/)
         {
             if (!prisonerGUID)
                 prisonerGUID = guid;
@@ -883,7 +883,7 @@ public:
 
         uint64 minerGUID;
 
-        void SetGUID(const uint64 guid, int32 /*id*/)
+        void SetGUID(uint64 guid, int32 /*id*/)
         {
             minerGUID = guid;
         }