release: 4.0-1

[Model] Common
[BinType] AP
[Customer] N/A

[Issue] N/A
[Request] N/A
[Occurrence Version] N/A

[Problem] release: 4.0-1
[Cause & Measure] N/A
[Checking Method] N/A

[Team] SystemFW
[Developer] WaLyong Cho
[Solution company] Samsung
[Change Type] N/A

* devel/systemfw/master:
  release: 4.0-1
  smack: add default smack manifest
  add gitattributes

Change-Id: I9caa877c62fb2ae106779a146aa4076df0cb13ff
Signed-off-by: WaLyong Cho <walyong.cho@samsung.com>