Tags overhaul to improve search results, and some light rewording or reformating

layouts/docs/single.html

@@ -7,4 +7,3 @@
 {{ .Content }}
 
 {{ end }}
-

layouts/partials/breadcrumbs.html

@@ -16,4 +16,5 @@
 {{ end }}
 <strong>{{ .Title }}</strong><br/>
 {{ .Description }}
+{{ if (isset .Params "tags") }}{{ if ge (len .Params.tags) 1 }}<br/>Tag{{ if ge (len .Params.tags) 2 }}s{{ end }}: {{ range .Params.tags }}<a href="/tags/{{ . }}">{{ . }}</a> {{ end }}{{ end }}{{ end }}
 </p>