intelliplug: replaced deprecated early_suspend driver with userspace interface

early_suspend has been deprecated, so move original functionality to sysfs
interfae and have userspace app to replicate the early_suspend functionality

bump version to 1.7

Change-Id: Ie6626850ff5b99b9e2b3ff6fb9550b8eb0d9b703
Signed-off-by: Paul Reioux <reioux@gmail.com>