Calculator : add french translation

Patch set 1 : initial commit
Patch set 2 : found tranlation, thk Wikipedia :)
http://fr.wikipedia.org/wiki/Valeur_propre,_vecteur_propre_et_espace_propre
Patch set 3 : correction
Patch set 6 : correction <

Change-Id: Ia8766f2baec791ad4b4b375d8fd428562d3c4a2f
Merge "Calculator : add french translation" into cm-10.1