[mr3067] More accurate reserving memory for internal container in WorldPacket
[mr3068] Implement and use Unit::IsDamageReducedByArmor()

Pried in TC.
[mr3069] Always send compressed update packet if his size less than uncompressed

Decrease net traffic.
Fix compile
[mr3070] move one lock to another place (by valgrind check result).
[mr3071] small rework in Map::SendUpdates (pick from ZoneUpdating).
[mr3072] more safe method for getting object list from UpdateQueue. (pick from ZoneUpdating). must fix some problems in Map::SendRemoveActiveObjects.
[mr3073] remove non-standart lock usage from TerrainMgr. use regular locks instead.
[mr3074] Small rework for damage calculation (no algo changes)
[mr3075] Add possibility for alternative res calculation in melee dmg calc
[mr3064] Fix engrish. resilence -> resil_i_ence
SD2 update
[mr3076] Allow server admins to disable GM commands for players entirely.
[mr3077] Fix crash in ChatHandler::ParseCommands

Thanks VladimirMangos
[12574] Implement spells for Mimiron encounter

Spell effects: 64402, 65346, 63027, 63667, 63681, 64841, 63382
Drop spells 63820, 64425, 64620, 64398, 64426, 64621 because they will be handled by script
[12575] Update for Mimiron encounter spells

Add targets limit and spell effect for spell 64623
Remove target limit for spells 63387 and 64531 because they proved to be wrong
Fix mistake for spell 65346; thanks LilleCarl for pointing. This will be handled by script
Finally add positive exception for spell 64402
[mr3078] Resilience should always reduce crit damage (but overall dmg only from players and their pets)
[mr3079] Chat Commands: Allow to add overlapping teles

Allow to add overlapping teles like "abc" even if "abcde" already exists. This wasn't possible and a "Teleport already exists" error was thrown instead.

Ported from TC, author jackpoz.
Also some code style.
[mr3080] Allow to configure XP rate per kill for pet

Author fallenangelX.
[mr3081] rework lock chain and references counter in TerrainInfo v0.2. requires previous changes in TerrainMgr.
- make SmartPtr's locked (as in original code)