When Angry Birds game came out a few years back our family would spend hours playing it together on the iPad.  My daughter was about four years old and we had a blast taking turns trying to move through the different levels. We really liked the Halloween Angry Birds and Star Wars version. We can’t wait to see the movie this week and finally find out WHY the birds are so angry!  What happened between the pigs and birds?  I hope the movie answers this and more because let me tell you we’ve wanted to know for a long time! The movie takes us to an island populated entirely by…