Create jquery.ui.datetimepicker.d.ts
Create jquery.ui.datetimepicker.d.ts
Update README.md
Delete jquery.ui.datetimepicker.d.ts
Update jquery.ui.datetimepicker.d.ts

Resolved some issues with the interface for time options I didn't fully understand.

Made many more options...optional.
Update jquery.ui.datetimepicker.d.ts

Updated reference to other d.ts (these were different for me locally)
Create jquery.ui.datetimepicker-tests.ts
Merge pull request #1826 from dougajmcdonald/master

jQuery.datetimepicker: added definition for jQuery DateTimePicker http://trentrichardson.com/examples/timepicker/