Bootbox 5.0

• Updates Bootbox to be compatible with both Bootstrap 4 and Bootstrap 3.
• Pulls button locale options to separate file
• Various bugfixes
• Updates all npm packages to their latest and greatest.
• Updates grunt, mostly to enable min file generation.

Prompt

• Adds new input types for prompt:
  • radio
  • range
• Adds prompt input constraints for min, max, step, maxlength, pattern, and required
• Adds pattern option for prompt inputs
• Allows message option for prompt
• Allows multiple option for prompt when using inputType set to select
• Refactors prompt function to use the same dialog factory as alert and confirm.

Dialog options

• Adds locale option - allows locale to be set on a dialog-by-dialog basis
• Adds swapButtonOrder option to allow reversing the default button order
• Adds centerVertical option - adds support for vertically-centered dialogs (requires Bootstrap 4)