Merge branch 'devel/tizen_3.0' into tizen

Merge branch 'devel/tizen_3.0' into tizen

* devel/tizen_3.0:
  Replace timer_manager & timer_util with TimerManager
  Remove GEO_LOCATION_PRECISION parameter from Json::set()
  Replace ctx::json with ctx:Json
  device: update cmake script to support common profile
  cmake: switch the dependencies variable to list, from space separated string
  Replace namespace ctx::shared with class ctx::SharedVars
  Create one unified so instead of one so for each provider
  Replace build dependency context-common with libcontext-shared & server
  Custom item recovery logic added when initialized (Uninstalled provider's item handling is still needed)
  Added custom provider
  Remove mutexing from device_status_alarm

Signed-off-by: Somin Kim <somin926.kim@samsung.com>
Conflicts:
	src/device/CMakeLists.txt

Change-Id: I1105750bb9c0753defd1e6ce2b4d71d7acc86be8