Update documentation for gnome-shell <= 3.8 build.
French translation added
Fixed syntax error in french po, removing untranslated entries.
Fixes issue #103 'parseHddTempOutput only listing first drive'
Added missing <node> element to dbus interface specification

Fixes #104 and #107.
Added GNOME Shell 3.12 to supported version list.
Instead of destroying every child destroy the whole menu contents.
Making the main sensor label bold doesn't work, so use a dot instead to indicated the default sensor.
Assigning a position to the sensor menu panel button to align it properly.
Fix syntax error in utilities.js