Rename post-process to pretty-journal

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I117a10934bc8dc932bc2698e92fa698b03e582c1
diff --git a/post-process/pretty-journal.py b/pretty-journal/pretty-journal.py
similarity index 100%
rename from post-process/pretty-journal.py
rename to pretty-journal/pretty-journal.py