Merge branch 'tizen_3.0' into tizen_4.0

Change-Id: I402b1950719d6b614070be9b7cf2228339e3f70f

diff --cc packaging/webapi-plugins.spec
Simple merge

diff --cc src/calendar/calendar_item.cc
Simple merge

diff --cc src/calendar/calendar_manager.cc
Simple merge

diff --cc src/filesystem/filesystem_instance.cc
Simple merge

diff --cc src/nfc/nfc_adapter.cc
Simple merge

diff --cc src/nfc/nfc_util.cc
Simple merge