Core/DB: Update all locales to actual TrinityCore (#1160)

* Core/Misc Update all locales table structure to simple system. Port from TrinityCore
Co-Authored-By: Winfidonarleyan <dowlandtop@yandex.com>
* Core/Db/Gossip Update structure gossip_menu and gossip_menu_action to actual TrinityCore
* Core/DB Update Broadcast system to actual TC
* Core/Mail: implement Quest Mail Sender
* Core/Quest Split quest template locales

src/server/game/Mails/Mail.cpp

@@ -61,6 +61,13 @@ MailSender::MailSender(Player* sender)
     m_senderId = sender->GetGUIDLow();
 }
 
+MailSender::MailSender(uint32 senderEntry)
+{
+    m_messageType = MAIL_CREATURE;
+    m_senderId = senderEntry;
+    m_stationery = MAIL_STATIONERY_DEFAULT;
+}
+
 MailReceiver::MailReceiver(Player* receiver) : m_receiver(receiver), m_receiver_lowguid(receiver->GetGUIDLow())
 {
 }