amr users plus date range

Adds  the ability to filter lists by either a date in YYYY-MM-DD format (like wordpress ‘user registered’ field) or in unix timestamp format.  A date picker is also added.

One can enter ‘from’ or ‘to’ or both for each field.

Demonstrations may still be available at:

Range Filter options above the table

Range Filter options above the table

ranges filters in table heading

ranges filters in table heading

New filter settings options

New filter settings options