French translation has newlines

[quozl]

@leonardcj, this appears on python setup.py dist_xo;

WARNING:root:Translation of summary on file po/fr.po have \n chars. Should be removed

[ritwikagarwal]

Should this along with other issues on memory games and letters games which are pending clubbed and shaped as a project and given in code-in 2018.I have an idea in my mind which could be used to mentor students in code-in regarding this project

[quozl]

Contact Ibiam (@chimosky) for access to the private shared spreadsheet used for preparing the GCI 2018 tasks.

This issue is not just a file edit; it is part of a complex system based on Pootle, so I wouldn't recommend it for GCI. It could take weeks for a student to learn how to fix.