Scripts/Commands: Fix .mmap loc wrong coordinates

Fix .mmap loc command printing swapped x and y tile coordinates
Scripts/Commands: ".modify speed" targets current Player by default

Allow ".modify speed" command to target current Player if there is no target or if the selected Unit is a Creature.
This behavior could be extended to other commands that require target Players.
Scripts/Commands: Fix memory leak in ".gobject add" command

Valgrind log:
 158 (104 direct, 54 indirect) bytes in 1 blocks are definitely lost in loss record 24 of 73
 at operator new(unsigned long) (vg_replace_malloc.c:319)
 by GameObjectModel::Create(GameObject const&) (GameObjectModel.cpp:152)
 by GameObject::Create(unsigned int, unsigned int, Map*, unsigned int, float, float, float, float, float, float, float, float, unsigned int, GOState, unsigned int) (GameObject.cpp:237)
 by gobject_commandscript::HandleGameObjectAddCommand(ChatHandler*, char const*) (cs_gobject.cpp:155)
Scripts/Commands: Add comment about 9d5841073971c7f55cf621da3a31b38656618582 changes
DB/CreatureText: Started the conversion to the BroadcastText system
Core/Spells: fixed Relic of the Earthen Ring

Closes #11282
Core/Spells: addition to b9a62115b17381a7e8371c1df1ebfd4a4165ac59
DB/CreatureText: Conversion to BroadcastText system part II
DB/Gossips: Conversion to BroadcastText system for gossips (part III)
DB/SAI: Runes of Compulsion (Quest: 12093)

Closes #4898
DB/NPCText: Conversion to BroadcastText system for npc text (part IV)
DB/BroadcastText: Corrected texts using backslashes and ALL the errored "EmoteDelay"s due to a fail in the parser *cough* *cough*
Merge pull request #2 from TrinityCore/master

pull