[mr2731] add some helper methods to Location structure. thx to cyberium
[mr2732] use WorldLocation in m_recall position
SD2 update
[12405] Implement spells 47958, 57082 and 57083

Used in Ormorok encounter - Nexus
[12406] Fix TARGET_TOTEM_* positions
[mr2733] Use prepared statements for chat log.
Merge branch 'master' of git@github.com:mangosR2/mangos.git into R2