Add and Refactor shortcodes.

Add the epigraph shortcode.  This should complete the Tufte-CSS
specific shortcodes.  Additionally, the section and div shortcodes
were refactored for ease of use.

layouts/shortcodes/cite.html

@@ -0,0 +1 @@
+<cite>{{ .Inner }}</cite>

layouts/shortcodes/div.html

@@ -0,0 +1,8 @@
+{{ $loc := .Get 0  }}
+{{ if .IsNamedParams }}
+  <div {{with .Get "class"}} class="{{.}}"{{end}}{{with .Get "id"}} id="{{.}}"{{end}}>
+{{ else if or (eq $loc "") (eq $loc "begin") }}
+  <div>
+{{ else if eq $loc "end" }}
+  </div>
+{{ end }}

layouts/shortcodes/epigraph.html

@@ -0,0 +1,13 @@
+<div class="epigraph">
+<blockquote>
+{{ $t := .Get "type" }}
+{{ if eq $t "compact"  }}{{ .Inner }}{{ else }}<p>{{ .Inner }}</p>{{ end }}
+{{ if .IsNamedParams }}
+<footer>
+{{ with .Get "pre" }}{{ . }}{{ end }}
+{{ with .Get "cite" }}<cite>{{ . }}</cite>{{ end }}
+{{ with .Get "post" }}{{ . }}{{ end }}
+</footer>
+{{ end }}
+<blockquote>
+</div>

layouts/shortcodes/section.html

@@ -1,9 +1,9 @@
-{{ with .Get 0 }}
-  {{ if eq . "begin" }}
-      <section>
-  {{ else if eq . "end" }}
-      </section>
-  {{ end }}
+{{ $loc := .Get 0  }}
+{{ if .IsNamedParams }}
+  <section {{with .Get "class"}} class="{{.}}"{{end}}{{with .Get "id"}} id="{{.}}"{{end}}>
+{{ else if or (eq $loc "") (eq $loc "begin") }}
+  <section>
+{{ else if eq $loc "end" }}
+  </section>
 {{ end }}
-   
     

layouts/shortcodes/tag.html

@@ -0,0 +1,5 @@
+{{ if .IsNamedParams }}
+  <{{ .Get "name" }}{{with .Get "class"}} class="{{.}}"{{end}}{{with .Get "id"}} id="{{.}}"{{end}}>
+{{ else }}
+  <{{ .Get 0 }}>
+{{ end }}