Changed COPYING file

Changed COPYING file

    - removed old license
    - Add GPL2 and LGPL2.1 license to rpm package

[Model] ALL
[BinType] AP
[Customer] OPEN

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

[Problem] Invalid license file installed to rpm package
[Cause & Measure] changed license file and spec file.
[Checking Method] N/A

[Team] Open Source Management and Setting Part
[Developer] dh0128.kwak
[Solution company] Samsung
[Change Type] N/A

Change-Id: I4fd2a86ceea66baf294dc5baa10180944973a88c
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>