Added sites to the readme.
Added Thejaswi Puthraya to AUTHORS.
Fix some static urls in admin to support external storage backends.
Bump grappelli/filebrowser versions.
Version bump to 1.4.5
Added tag 1.4.5 for changeset d71ab836ca8d
Update auto generated CHANGELOG, requirements.
Fix set_dynamic_settings for projects without AUTHENTICATION_BACKENDS defined.
Merge branch 'master' into develop
Reverse "/" when constructing relative URL for a link content type.
Link's slug needs to be prefixed with language code when using localized URL patterns.
Merge branch 'feature/i18n-patterns-and-links' into develop