bugfix release
bugfix release

ember-cli/broccoli-concat,joefiorini/broccoli-sourcemap-concat,joliss/broccoli-sourcemap-concat,ef4/broccoli-sourcemap-concat,rlivsey/broccoli-concat,ef4/broccoli-sourcemap-concat,joliss/broccoli-sourcemap-concat,broccolijs/broccoli-concat,ember-cli/broccoli-concat,joefiorini/broccoli-sourcemap-concat,broccolijs/broccoli-concat,rlivsey/broccoli-concat