Merge branch 'devel/tizen_3.0' into tizen

Merge branch 'devel/tizen_3.0' into tizen

* devel/tizen_3.0: (21 commits)
  sensord: version 2.0.3
  sensord: enable hrm/gravity/linear accel sensors
  sensord: call on_event() after invoking sensor event from fd
  sensord: add sensord_flush internal API for batching
  sensord: sync/clean up sensord source code
  hal: add/sync sensor device types
  sensord: remove set_wakeup API and implementations
  libsensord: Disable deprecated sf_* APIs
  sensord: remove sensord compiler warnings
  sensord: fix the svace issue because of using non-terminated string
  sensord: fix the bug/memory leak/inefficient code
  sensord: lazy loading atexit() because static variables is used in atexit()
  sensord: clean up the source code
  sensord: clean up boiler plates
  sensord: restructuring sensord directories
  sensord: move .service/.socket to packaging
  sensord: fix the bug that set_attribute returns bool
  sensord: if poll() is failed, return false
  sensord: change to systemd socket
  sensord: fix the bug about calling read_sensor_data
  ...

Change-Id: I28f80d3f815c4ce38b832dc9471fc787e23bcc5a
Signed-off-by: kibak.yoon <kibak.yoon@samsung.com>