* Consolidate README to eliminate some duplicate information
* Editing README.rst to make it more friendly as our github home page
* Move third party license info to copyright file

Signed-off-by: Isaac Bennetch <bennetch@gmail.com>
Merge pull request #1268 from ibennetch/readme

Smaller README, improve README.rst
Translated using Weblate (French)

Currently translated at 97.8% (2839 of 2900)
Merge remote-tracking branch 'origin/master'
Translated using Weblate (French)

Currently translated at 97.9% (2841 of 2900)
Improve translatability

Signed-off-by: Marc Delisle <marc@infomarc.info>
Update po files
Translated using Weblate (French)

Currently translated at 98.2% (2847 of 2898)
Name of keys should be translatable

Signed-off-by: Marc Delisle <marc@infomarc.info>
Update po files