fixes #26: autodiscover bubble exception if mails.py present
fixes #23: do not display the language chooser if only one language
fixes #28: document how to use BaseMailForm by default
fixes #25: document how to use the new 'get_preview_data'
fixes #22: Document how to use inline images
Merge pull request #37 from magopian/22-document-inline-images

fixes #22: Document how to use inline images
Merge pull request #36 from magopian/25-doc-get_preview_data

fixes #25: document how to use the new 'get_preview_data'
Merge pull request #35 from magopian/28-doc-custom-base-mailform

fixes #28: document how to use BaseMailForm by default
Merge pull request #34 from magopian/23-no-language-chooser-one-lang

fixes #23: do not display the language chooser if only one language
Merge pull request #33 from magopian/26-autodiscover-reraise

fixes #26: autodiscover bubble exception if mails.py present