Load a default-named configuration file if present
Removing utils.file_exists and replacing with os.path.isfile
Adding information to argparse help
Fixing help text
Add non unique slug warnings for translations
Check URL overwrite. Fixes #446.

Check that template-generated files don't overwrite each other. Log a critical
message otherwise, and exit with non-zero status.
refactored utils.strftime
Getting Started documentation overhaul
DOC: fix the Markdown example for static index page URL override
Merge pull request #851 from avaris/better-strftime

refactored utils.strftime
Merge pull request #852 from vene/docfix

DOC: fix the Markdown example for static index page URL override
Fix bug with MacOS in utils.strftime

Force using C89 directives (i.e. mentioned in the Python documentation).
Merge pull request #854 from Rogdham/strftime-bugfix

Fix bug with MacOS in utils.strftime
Add French version for testing utils.strftime

Do not use abbreviated locale versions of month/whatever, because it seems that
this is not standard (e.g. MacOS abbreviating differently than GNU/Linux).
Merge pull request #853 from Rogdham/better-strftime

refactored utils.strftime
Accept `mdown` file extension for Markdown files.

This extension is sometimes used for Markdown files and is the default
for a few editors, such as Sublime Text.
force argparse output to be unicode in Py2
add feedback to user and refactor 'autoreload' code
Fix outdated link to documentation
Import wordpress pages to pages/ subdir with --dir-page option

When importing from Wordpress, the --dir-page directive (disabled by
default) automatically adds files to the pages/ when they are recognised
as pages, as opposed to posts.