sindragosa fixes

fixed icy grip (credit to gary)
and hacky fix on ice tombs LoS
(https://github.com/TrinityCore/TrinityCore/issues/7008)
ICC/Scripts: Fix Cpt.Brandon's Divine Shield event

http://www.gamingconsortium.org/bugs/view.php?id=7151
Merge pull request #25 from aknl/master

sindragosa fixes
Merge pull request #26 from Nyeriah/patch-2

ICC/Scripts: Fix Cpt.Brandon's Divine Shield event
AK/Scripts: Update Elder Nadox script

Patch 3.3.2 (2010-01-02): Elder Nadox now only gets one Ahn'Kahar Guardian during the encounter.
Merge pull request #28 from Nyeriah/patch-4

AK/Scripts: Update Elder Nadox script
Merge remote-tracking branch 'upstream/master'