include bin and src when using bower (fixes #444)
include bin and src when using bower (fixes #444)

robgraeber/nunjucks,oddbird/nunjucks,pardo/nunjucks,robgraeber/nunjucks,atorkhov/nunjucks,internalfx/nunjucks,kevinschaul/nunjucks,devoidfury/nunjucks,devoidfury/nunjucks,pardo/nunjucks,pardo/nunjucks,internalfx/nunjucks,robgraeber/nunjucks,devoidfury/nunjucks,mozilla/nunjucks,kevinschaul/nunjucks,oddbird/nunjucks,internalfx/nunjucks,atorkhov/nunjucks,kevinschaul/nunjucks,mozilla/nunjucks,oddbird/nunjucks,kevinschaul/nunjucks,robgraeber/nunjucks,atorkhov/nunjucks,internalfx/nunjucks,atorkhov/nunjucks,oddbird/nunjucks,mozilla/nunjucks,pardo/nunjucks