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* Add "cmspage" docutils role to get the URL of a djangocms page
* Add "header_level" field in model, to override initial
header level for a specific instance
* add default settings for docutils renderer
* add auto replacements for static/media urls, and nbsp/br html elements
* add configuration variables CMSPLUGIN_RST_WRITER_NAME, CMSPLUGIN_RST_CONTENT_PREFIX,
CMSPLUGIN_RST_CONTENT_SUFFIX, CMSPLUGIN_RST_SETTINGS_OVERRIDES
* fix the case of lone titles/subtitles being removed from output
* switch from South to Django migrations
* add a test project with its sqlite db
* update cms plugin for django 1.8 and djangocms 3.2