How much do good intentions count? If a film — like say, documentarian Kim Bartley’s debut narrative feature, Lemonade — has its heart and its sociopolitical care in the right place, can audiences overlook or excuse its glaring clichés, its generic plotting? Such a question faces us upon watching Lemonade, about an Irish teenager from a rough background who is struggling to handle a variety of adult concerns as they all come rushing at him (quite conveniently, for the movie’s purposes) at the same time. It means well, this wholly predictable indie, but its cookie-cutter form aggravates as a matter of art. Lemonade The Bottom Line A story…