The Meaning of Life walks and talks like a conventional weepy melodrama, but it’s much more than a typical tear-jerker.  This is a smart and sweet film that reads between the lines.  Instead of rattling off a familiar story about a friendly relationship that blooms between a struggling musician (Finn played by Canadian pop artist Tyler Shaw) and a young leukemia patient (Sophie played by Sadie Munroe of CBC’s Workin’ Moms’), The Meaning of Life…