== Global 'Delete Key' Tool ==

The 'opposite' of the "Insert Key" tool. 
- Use the hotkey Ctrl-Alt-IKEY to activate.
- Only available in 3d-view and buttons window 

I've added an extra var to verify_ipo and verify_ipocurve to save having to make another duplicate of that code. Hopefully the gameengine compiles ok with this.

source/blender/python/api2_2x/Constraint.c

@@ -442,7 +442,7 @@ static PyObject *Constraint_insertKey( BPy_Constraint * self, PyObject * value )
 		return EXPP_ReturnPyObjError( PyExc_RuntimeError,
 				"constraint doesn't belong to anything" );
 	}
-	icu= verify_ipocurve((ID *)ob, ID_CO, actname, con->name, NULL, CO_ENFORCE);
+	icu= verify_ipocurve((ID *)ob, ID_CO, actname, con->name, NULL, CO_ENFORCE, 1);
 	
 	if (!icu)
 		return EXPP_ReturnPyObjError( PyExc_RuntimeError,