[z2662] Onyxia Improvements. Requires CMaNGOS [z2333]

Also add some candy to Onyxia script suggested and prepared by Wilmaa

(based on commit e217657)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>

(based on commit SD2-TBC[s2715] - 1d911d3)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>