[7391] Prevent achievement counter overflow, implement ACHIEVEMENT_CRITERIA_TYPE_DO_EMOTE generic support.

Before overflow has been possible at 4294967295 lols for example.

    ACHIEVEMENT_CRITERIA_TYPE_DO_EMOTE in many cases require check special conditions and targets.
    For this allow call it from scripts:
    * Add Player::UpdateAchievementCriteria functiona ccessable from scripts
    * In emote case it allowed call in form player->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_DO_EMOTE, text_emote_id, achievement_id, target_unit_ptr);

Author: VladimirMangos

--HG--
branch : trunk

src/game/Player.h

@@ -2181,6 +2181,7 @@ class TRINITY_DLL_SPEC Player : public Unit
         void AddRunePower(uint8 index);
         void InitRunes();
         AchievementMgr& GetAchievementMgr() { return m_achievementMgr; }
+        void UpdateAchievementCriteria(AchievementCriteriaTypes type, uint32 miscvalue1=0, uint32 miscvalue2=0, Unit *unit=NULL, uint32 time=0);
         bool HasTitle(uint32 bitIndex);
         bool HasTitle(CharTitlesEntry const* title) { return HasTitle(title->bit_index); }
         void SetTitle(CharTitlesEntry const* title);