[AlarmAbsolute] check parameter for constructor of AlarmAbsolute
[AlarmRelative] check parameter of constructor for AlarmRelative
Merge pull request #299 from zivchang/next

[bug fixing] TDIS-5655
Merge pull request #298 from xuzhang/dev

fix bug TDIS-5685
[bug fix] TDIS-5698 - change 'tnf' property for NEDFRecord classes
Merge pull request #300 from DonnaWuDongxia/nfc

[bug fix] TDIS-5698 - change 'tnf' property for NEDFRecord classes
callback should be async
use input timezone when first argument is null
bugfix: TDIS-5414. change change time/string format to be consistent with test case