Add missing reset read from eeprom (sensor/mode)

Add missing reset read from eeprom (sensor/mode)
Value are not reset to default ones
Update French

Alignment of text in the menu, "On / off or Value" are aligned to the right of to clean the screen
In french extruder = extrudeuse, extrudeur is different
Add setting to allowing light on during printing

Add setting to allowing light on during printing even powersave is
active, it is based on printing status (SD print, print, and pause) when
printing is finished if powersave is active lights will be off as normal
Pull 24 from Edouard (manual)

https://github.com/luc-github/Repetier-Firmware/pull/24
Merge pull request #23 from Doudou14/patch-1

Update French from Edouard
Merge pull request #1 from luc-github/davinci

Merge luc