Add no-markdown variant

Add test2.md page to show that shortcode syntax without Markdown rendering renders this case fine.

Having shortcodes where the entire content is wrapped with `div` doesn't make sense to send through Blackfriday.

See gohugoio/hugo#1387

.gitignore

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+public/

content/test2.md

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+---
+date: 2015-08-30
+title: Test2
+layout: default
+---
+
+Before Container
+
+{{< container >}}
+
+begin container.
+
+before row
+
+{{< row >}}
+
+row content
+
+before columnand
+
+{{< column >}}
+
+Content column 1
+
+{{< /column >}}
+
+between columsn
+
+{{< column >}}
+
+Content column 2
+
+{{< /column >}}
+
+after column
+
+{{< /row >}}
+
+After row
+
+{{< /container >}}
+
+after container