Display tags in journal posts (Bug 1328739)

All tags related to a journal are currently displayed over on the
side of a page, but it is not possible to tell which tag relates
to which post. This patch adds the display of tags relating to a
post in the post itself.

Change-Id: Id586d5ce64a89af9c5bab8b31c82050b96c9c1cf
Signed-off-by: Nigel Cunningham <nigelc@catalyst-au.net>
Merge "Display tags in journal posts (Bug 1328739)"