[JCENTER] Update deprecated config and dependencies

Hi, how you guys doing?

I ported this library with updated dependencies and configurations, also moved out from JCenter to use Jitpack.io:

https://github.com/thiago-you/material-calendarview

- Move from JCenter to Jitpack.io
- Migrate do Androidx libraries
- Drop jetifier support
- Update dependencies and libraries
- Update configurations
- Kotlin compatibility

Check it out!