Javascript: Clean up admin.js file
Javascript: Add setErrorMsg() function to set error message in Sequence entry management metabox
Feature: Adding basic framework for supporting an offset on posts to show ('preview' functionality)
Feature: Add [sequence_links] shortcode
Add H3 for Sequence name in member page links
Support highlighting the link with the release date/delay closest to the current day for the member
Support generating link(s) for specific sequence (part of shortcode support)
Clean up the constructor for the PMProSequence class
Add logic for identifying the post that is the closest to the current membership day (i.e. # of days since 'startdate' of membership level)