Friday & Saturday, April 20 & 21:  `Iolani School Family Fair.  Enjoy a weekend of fun for the whole family. Themed “Dino Days”, residents and visitors alike are invited to indulge in a weekend of arts, crafts, delicious food and live entertainment by some of Hawai`i’s top local artists. `Iolani School, 563 Kamoku St., Honolulu.  12 noon to 10:30 p.m. Free admission.  Free parking at Kaimuki High School, 2705 Kaimuki Ave., Honolulu. For information, call (808) 554-2009 or visit http://iolanifair.org/.…