Use author name with title fallback for feed pages

layouts/_default/list.atom.xml

@@ -140,7 +140,7 @@
                                 <email>{{ . }}</email>
                             {{ end }}
 
-                            {{ with .Params.paige.author.name }}
+                            {{ with .Params.paige.author.name | default .Title }}
                                 <name>{{ . }}</name>
                             {{ end }}
 

layouts/_default/list.rss.xml

@@ -105,7 +105,7 @@
                         {{ $primary := index . 0 }}
 
                         {{ if and $primary.Params.paige.author.email $primary.Params.paige.author.name }}
-                            {{ $author = printf "%s (%s)" $primary.Params.paige.author.email $primary.Params.paige.author.name }}
+                            {{ $author = printf "%s (%s)" $primary.Params.paige.author.email ($primary.Params.paige.author.name | default $primary.Title) }}
                         {{ else if $primary.Params.email }}
                             {{ $author = $primary.Params.email }}
                         {{ end }}