Merge branch 'tizen_devel' into tizen

Merge branch 'tizen_devel' into tizen

[Version] 0.28.7

Inki Dae (13):
  mv_machine_learning: add async API for object detection task group
  mv_machine_learning: move async relevant code into behavior class
  test: add mobilenet_v2_ssd model support for async API test
  mv_machine_learning: drop *open.cpp files from task groups
  mv_machine_learning: add async API for face detection task group
  mv_machine_learning: drop redundant function declarations
  mv_machine_learning: update authors
  mv_machine_learning: use enum class instead of enum
  mv_machine_learning: introduce a new internal API for face recognition
  mv_machine_learning: drop Mediavision dependency from object detection
    adapter
  mv_machine_learning: introduce IObjectDetection class
  mv_machine_learning: pack header files for plugin support
  mv_machine_learning: introduce ObjectDetectionExternal class

Kwanghoon Son (2):
  mv_machine_learning: Fix members initialize
  Fix Tizen version 7.5 to 8.0

sangho park (2):
  visualizer : fix memory leak issue
  Revert a mis-synced devel patch

Change-Id: I46bfe4414446b5483f43ff5a2f08d6fbc82e6d69