retooling for hugo

Tweaking for Hugo
Updating the Dockerfile with new sed; fix broken link on Kitematic
Fixing image pull for Dockerfile
Removing docs targets

Signed-off-by: Mary Anthony <mary@docker.com>

docs/articles/https/parsedocs.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+echo "#!/bin/sh"
+cat ../https.md | awk '{if (sub(/\\$/,"")) printf "%s", $0; else print $0}' \
+        | grep '   $ ' \
+        | sed 's/    $ //g' \
+        | sed 's/2375/7777/g' \
+        | sed 's/2376/7778/g' \
+        | sed 's/^docker/# docker/g' \
+        | sed 's/^curl/# curl/g'