MINOR: Fixed French lang file
Merge pull request #4 from Juanitou/dev

MINOR: Fixed French lang file (thanks)
Updated README to reflect annulment of GitHubs download section
Some cleanup

- renamed .screenshoot folder into docs
Updated README
Fixed link
Replaced link with absolute link
Added initial composer.json required to project root
Fixed indentation
Fixed deprecated issues for upcoming SilverStripe 3.1.0 release

- adapted foldergallery template to reflect simple theme changes (3.0 to 3.1)
- updated README to show how to update foldergallery layout to own theme
- switched from GD to GBBackend class (backward compatible with SS 3.0.x)
- added Juan Molina as author in composer.json
Issued version 2.7.1

- prepared for usage with Composer
- fixed regressions with deprecated functions of future SS 3.1.0 release