FSO should be used for accessing devices instead of writing directly to the device file.

This patch depends upon fso-frameword >= 04305580011fcef0d82cc60cfc0cd80e3abfba26
http://git.freesmartphone.org/?p=framework.git;a=commit;h=04305580011fcef0d82cc60cfc0cd80e3abfba26

Signed-off-by: Ben Deering <ben_deering at swissmail.org>
Vibration is now handled by fso and libphoneui doesn't need to know the name of the Vibrator device.

This patch is related to this fso-frameword commit:
04305580011fcef0d82cc60cfc0cd80e3abfba26

Signed-off-by: Ben Deering <ben_deering at swissmail.org>