Bulk edit publish date

Adds a bulk action to all post types to allow setting the publish date to a specific date time.

The bulk action is by default applied to all post types.

The plugin uses input types of date and time to allow users to set the desired publish date / time.

This is a very lightweight plugin as has as little code as possible, and is also designed to be developer friendly
with alter hooks allowing other plugins to make changes to how this plugin operates.