make args an empty objects if not provided from the user and provide context to onReady event callback
make args an empty objects if not provided from the user and provide context to onReady event callback

projectfluent/fluent.js,mail-apps/l20n.js,zbraniecki/l20n.js,l20n/l20n.js,Pike/l20n.js,projectfluent/fluent.js,Pike/l20n.js,zbraniecki/fluent.js,stasm/l20n.js,Swaven/l20n.js,projectfluent/fluent.js,zbraniecki/fluent.js,mail-apps/l20n.js