CharDB Schema/Cleanup: cleanup account_data and character_account_data tables:

* rename column account to accountId;
* introduce prepared statements for both tables.

src/server/shared/Database/Implementation/CharacterDatabase.h

@@ -86,14 +86,12 @@ enum CharacterDatabaseStatements
     CHAR_LOAD_PLAYER_BGDATA,
     CHAR_LOAD_PLAYER_GLYPHS,
     CHAR_LOAD_PLAYER_TALENTS,
-    CHAR_LOAD_PLAYER_ACCOUNTDATA,
     CHAR_LOAD_PLAYER_SKILLS,
     CHAR_LOAD_PLAYER_RANDOMBG,
     CHAR_LOAD_PLAYER_ARENASTATS,
     CHAR_LOAD_PLAYER_BANNED,
     CHAR_LOAD_PLAYER_QUESTSTATUSREW,
     CHAR_LOAD_ACCOUNT_INSTANCELOCKTIMES,
-    CHAR_LOAD_ACCOUNT_DATA,
     CHAR_LOAD_PLAYER_MAILITEMS,
     CHAR_LOAD_AUCTION_ITEMS,
     CHAR_ADD_AUCTION,
@@ -218,6 +216,13 @@ enum CharacterDatabaseStatements
     CHAR_DEL_AURA,
     CHAR_ADD_AURA,
 
+    CHAR_LOAD_ACCOUNT_DATA,
+    CHAR_SET_ACCOUNT_DATA,
+    CHAR_DEL_ACCOUNT_DATA,
+    CHAR_LOAD_PLAYER_ACCOUNT_DATA,
+    CHAR_SET_PLAYER_ACCOUNT_DATA,
+    CHAR_DEL_PLAYER_ACCOUNT_DATA,
+
     CHAR_ADD_INSTANCE_SAVE,
     CHAR_UPDATE_INSTANCE_DATA,