French language corrections.

Corrected french entries in grammar, spelling, accuracy.

Bouchons Anti-Bruits with capitals to match the "BAB" acronym, well known in french military circles.

Source:
http://www.ecole-valdegrace.sante.defense.gouv.fr/content/download/3505/53030/file/2-1_Casanova-_Prevention_des_traumatismes_sonores_aigus_a_l_unite.pdf
Merge pull request #888 from 11RDP-LoupVert/patch-14

French language corrections.