Add v4.4.1 to CHANGELOG
Add v4.4.1 to CHANGELOG

(cherry picked from commit 833db9efacaa60c8a28ebd6de57f4c2f86102889)

emberjs/ember.js,emberjs/ember.js,tildeio/ember.js,sly7-7/ember.js,tildeio/ember.js,emberjs/ember.js,sly7-7/ember.js,sly7-7/ember.js,tildeio/ember.js