Bug#841093: jquery-timepicker: Please package new upstream 1.6.3

[W. Martin Borgert]

Package: jquery-timepicker
Version: 1.2-1

The GitHub page of upstream shows a lot of releases since 2013:
https://github.com/trentrichardson/jQuery-Timepicker-Addon

(The use of Grunt seems to be avoidable.)