Merge branch 'devel/tizen_3.0' into tizen

Merge branch 'devel/tizen_3.0' into tizen

* devel/tizen_3.0:
  sensord: initialize member variables 2
  sensord: fix the bug which returns true although there is an error
  sensord: change sprintf to snprintf
  sensord: initialize member variables
  sensord: add checking code whether socket is valid or not
  Rename libsensord-devel.so to libsensord-shared.so
  sensord: initialize member variables in csocket constructors
  Restore dependency from libsensord to sensord

Change-Id: I1e795dd65ccf539e8ca49d15ebe35b887411e765
Signed-off-by: kibak.yoon <kibak.yoon@samsung.com>