Friday & Saturday, October 19 & 20:  Kaua`i Chocolate & Coffee Festival.  A celebration of all things chocolate and coffee with lots of sampling, educational displays and workshops, entertainment and exhibitor booths, featuring a variety of chocolate and coffee products from around the state.  Enjoy farm tours, informative classes, workshops/demonstrations, live entertainment, a chocolate & coffee pampering station, a silent auction, keiki activities, sampling and much more. Hanapepe Rd., Historic Hanapepe Town. Friday 5 p.m. to 9 p.m., Saturday 10 a.m. to 4 p.m.…