Implementation of Things Manager feature.

Implementation of Things Manager feature.

Add feature for Things Manager

 - Subscribe Collection Presence
 - CRUD function for ActionSet
 - Finding group
 - Creating group
 - Join the specific group
 - Let the other devices to join the specific group
 - Leave from the specific group
 - Delete the group
 - Get all group information
 - send configuration information to multiple things
 - send diagnostics information(i.e. factory reset, reboot)
 - Get the configuration parameter list
 - Get the diagnostics functionalities list

Fix Segmentation fault.
 - Bug fix : "Implementation of Things Manager feature."
             https://oic-review.01.org/gerrit/495
             OCPlatform_impl.cpp, InProcServerWrapper.cpp

Change-Id: I5b44fbdb034c924df4787a30a4d9c86ce4704aff
Signed-off-by: HyunJun Kim <hyunjun2.kim@samsung.com>