Add direct-pairing feature

Add direct-pairing feature

 <contents of modification/addition>
 : Added direct-pairing resouces and related types
 : Added direct-pairing provisioning feature for provisioning tool
 : Added D2D pairing operation feature(discovery, pairing) for client
 : Added RI layer APIs and data types for direct-pairing client
 : Modified provisioning tool for direct-pairing feature and created new sample client

-Patch 1: Initial
-Patch 2: Fix OSX build error.
-Patch 3: Add DPC(Direct Pairing Capability) resource and processing logic
-Patch 4: Fix dpc parse error when loading svr db
-Patch 5: Fix unnormal processing when duplicated request on dpairing resource & Change DPC default value as true
-Patch 6: Fix SVACE warning & Divide pconf and dpairing resource into another ACL entry in svr db
-Patch 7: Fix SVACE warning's positive false
-Patch 8: Fix device list management

Change-Id: I461626fe041a5927c0e27e78e63e74e215d61cd5
Signed-off-by: Joonghwan Lee <jh05.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5673
Reviewed-by: Jongsung Lee <js126.lee@samsung.com>
Reviewed-by: Kyungsun Cho <goodsun.cho@samsung.com>
Reviewed-by: Chul Lee <chuls.lee@samsung.com>
Reviewed-by: dongik Lee <dongik.lee@samsung.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
Tested-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit d2f4378179667e7b55b38af7af11e639bea10885)
Reviewed-on: https://gerrit.iotivity.org/gerrit/5745