#152 Spell targetting system needs to be redone

Different scenarios need to be laid out here to setup the new code

• icon backdrop 312 with group ae target type do not trigger for unfriendly spells, hits self instead. TARGET_TYPE_ENEMY supports it.

examples righteousness(100083) and decree(100133)

divine awakening does not give shard to group members

new spell_type will be 17

#define SPELL_TARGET_ALLGROUPTARGETS 10

we will use this target spell type when we want a spell to individually call cast on each client when the cast is completed. Divine Awakening is an example because it uses SummonItem in its cast function which is a single target function cause it is not a Spell function.

Where-as something like SpellHeal handles the targets of the spell already

made a mistake added as a target_type should be spell_type

#define SPELL_TYPE_ALLGROUPTARGETS      17