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.
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.
Add `DOCUTILS_SETTINGS` to allow to customize the docutils Publisher.
use string find() instead of index().  Fixes #880.

We're expecting a non-match to return -1, which is what find() does,
but index() instead throws a ValueError.
Update importer documentation

Dependencies were not the good one, wordpress importer needs BeautifulSoup4 and lxml
Merge pull request #804 from dowlingw/master

#803 - Include default configuration file if present
some cleanup
Merge pull request #848 from Rogdham/no_overwrite

Check URL overwrite. Fixes #446.
Merge pull request #858 from jmurty/feature/import_wp_pages

Import wordpress pages to pages/ subdir with --dir-page option
Merge pull request #864 from saimn/docutils_options

Add `DOCUTILS_SETTINGS` to allow to customize the docutils Publisher.
Merge pull request #885 from avaris/markdown-summary-footnote

Markdown summary should not include content footnote
Merge pull request #881 from ben2367/patch-1

Update importer documentation
adhere to PEP8 coding standards
Merge pull request #888 from dominiqueplante/pep8-setup

adhere to PEP8 coding standards
adhere to pep8