As Addison Keeling munched on a hot dog and listened to music, all was well with her world. The four-year-old was one of more than 1,000 La Habra residents to attend the National Night Out celebration at Portola Park in La Habra. Addison, dressed in a Supergirl t-shirt befitting the event’s superhero theme, and her mother, Amie Keeling, were on hand to check out police demonstrations.  They were also excited about the other booths and giveaways from community groups as well as playing on the inflatable obstacle course, and possibly catching a free screening of “The Incredibles” across the street…