Script fixes and new effects.

Cleaned up unneeded requires in some scripts
Fixed Second Wind
Added new effect scripts
Added bard song scripts that mostly work

data/scripts/commands/ability/resonance.lua

@@ -0,0 +1,15 @@
+require("global");
+require("ability");
+
+function onAbilityPrepare(caster, target, ability)
+    return 0;
+end;
+
+function onAbilityStart(caster, target, ability)
+    return 0;
+end;
+
+function onSkillFinish(caster, target, skill, action, actionContainer)
+    --DoAction handles rates, buffs, dealing damage
+    action.DoAction(caster, target, skill, actionContainer);
+end;