Trebuchet: FR translation

PS1: new translation
PS2: correction

Change-Id: If8974199aa7de5a2b0348d24be8d148a5b7190d3
Option to disable workspace background shading

Change-Id: Ie35ee23a66a930f3992341a5ac5101fa065d3e8b
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2
Merge remote-tracking branch 'sgt7/cm-10.2' into cm-10.2-sgt7