v1.6.0

Release for v1.6.0

>   - [Add] "closeOnSelected" option for close the picker when selected date & time (Thanks to: MacDknife).
  - [Add] "timelistScroll" option for disable automatic scroll of timelist (Thanks to: deviso).
  - [Add] Change the months by scroll of mouse-wheel on the calendar (Thanks to: deviso).
  - [Add] "calendarMouseScroll" option for scroll calendar with mouse wheel (default: true).
  - [Add] Today button for calendar (Thanks to: Tanver186).
  - [Add] "todayButton" option (default: true).
  - [Change] Improve design (header, container).
  - [Fix] Malfunction of "animation" option (Can't disable animation).