Modify CBOR parser and convertor to handle security payload correctly.

Modify CBOR parser and convertor to handle security payload correctly.

[Patch #1] Intial upload.
[Patch #2] Update according to review comments.
[Patch #3] Fix typo
[Patch #4] Retrigger
[Patch #5] Remove the invalid type conversion.

Change-Id: I7b1d59d16a48a083d589715ec876d3eb860b921d
Signed-off-by: leechul <chuls.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5613
Reviewed-by: Habib Virji <habib.virji@samsung.com>
Reviewed-by: dongik Lee <dongik.lee@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>