Boeffla: Apply values on boot only if nothing applied them before

This fixes a conflict with Boeffla Config V2 app, when DSP Manager would override already properly set values with other ones

Change-Id: I88c80dbc24a123837a9facf6b87dd5acda02a8d4
DSPManager: FR translation

PS2: correction

Change-Id: I956a82257026bced7623a39dcb3f80608e565fd7
Update tabbed menu layout

Put help at bottom in line with non-tabbed layout and convention

Change-Id: I4daec0ba2799b8d0355538babf61c85e38f82163