Talks, publications: order by date desc

layouts/shortcodes/list-publications.html

@@ -1,6 +1,6 @@
 <ul class="publications">
   {{ $authors := .Page.Params.authors }}
-  {{ range .Page.Params.publications }}
+  {{ range sort .Page.Params.publications "date" "desc" }}
   <li>
     <span class="authors">
     {{ range .authors }}

layouts/shortcodes/list-talks.html

@@ -1,5 +1,5 @@
 <ul class="talks">
-  {{ range .Page.Params.talks }}
+  {{ range sort .Page.Params.talks "date" "desc" }}
   <li>
     <span class="date">{{ dateFormat "Jan 2, 2006" .date }}</span>:
     <span class="title">{{ .title }}</span> at