Merge branch 'devel/tizen_3.0' into tizen

Merge branch 'devel/tizen_3.0' into tizen

* devel/tizen_3.0:
  capi-system-sensor: version 0.2.2
  capi-sensor: send sensor data to callback as pointer directly
  Remove activity/gesture enums & update doxygen script
  doxygen: add since tag for wearable profile
  doxygen: remove privilege tags
  doxygen: update descriptions about interval and privilege
  util: fix the axis enum values
  capi-sensor: remove unnecessary type transition function
  Declare new functions and sensor types
  capi-sensor: modify description for interval default/range

Change-Id: Ie55d1bef447ecfd0e6d4da29dd2987d03edb176b
Signed-off-by: kibak.yoon <kibak.yoon@samsung.com>