Merge branch 'devel/tizen_3.0' into tizen

Merge branch 'devel/tizen_3.0' into tizen

* devel/tizen_3.0: (24 commits)
  sensord: version 2.0.8
  sensord: enable rv/gesture sensors in CMakeLists
  [face_down_sensor] increasing the window size to increase detection rate
  sensord: return false if the size of id is 0
  sensord: fix socket issue when client cannot receive the event
  sensord: change an input value name of set_attribute function
  sensord: call external sensor service run
  sensord: fix the problem that attribute is not restored properly
  sensord: delete batch latency/attribute when client is terminated unexpectedly
  sensord: license: remove unnecessary scripts(license conflict)
  sensord: change the default axis policy from DEVICE_ORIENTED to DISPLAY_ORIENTED
  Change the order of the member variables of rv_sensor to fix a build warning
  Version 2.0.7
  Fix the external sensor worker to handle NULL payload properly
  Remove unnecessary header inclusion from face_down_alg_impl
  Face Down Gesture Sensor
  Gyroscope RV Sensor
  Magnetic RV Sensor
  Rotation Vector Sensor
  Moved Fusion Backed from sensor_fusion folder to rotation_vector folder
  ...

Change-Id: I29e0ce5f16f24a52aa599edf40d675bbf85829b8
Signed-off-by: kibak.yoon <kibak.yoon@samsung.com>