Release version 1.0.9

Release version 1.0.9

Changes:
 - Fix get default value bug
 - Fix complication default state key value
 - Fix notify update bug
 - Update scripts
 - Merge "Fix notify update bug" into tizen
 - Fix wrong description
 - Add internal API to get container
 - Update description
 - Add exception handling based on try-catch
 - Guarantee the integrity of singletons
 - Add code to check return value
 - Fix get default value logic
 - Add apis for screen reader text
 - Remove duplicate code
 - Check coding style
 - Check coding style
 - Check coding style
 - Revert "Add apis for screen reader text"

Change-Id: I6938201776cae09eddc7a8735e09b6c0a2e87850
Signed-off-by: hyunho <hhstark.kang@samsung.com>