Core/Spells: Implement TRIGGERED_IGNORE_TARGET_CHECK TriggerCastFlag to allow ignoring most target checks (mostly the default DBC ones)
Merge branch '4.3.4' of https://github.com/TrinityCore/TrinityCore into 4.3.4
Fixed a mail bug (introduced when I attempted to make sending mail free; forgot to take into account people sending money); testing out a character inventory viewing command (char viewitems);