Fix duplicate translation and improve performance
Fix duplicate translation and improve performance

kyroskoh/angular-gettext,rubenv/angular-gettext,scottrice10/angular-gettext,tagoh/angular-gettext,FabianMeul/angular-gettext,kyroskoh/angular-gettext,scottrice10/angular-gettext,crissdev/angular-gettext,tagoh/angular-gettext,pokono/angular-gettext,crissdev/angular-gettext,rubenv/angular-gettext,FabianMeul/angular-gettext,pokono/angular-gettext