Mailster - Email Newsletter Plugin for WordPress 4.1.7

updated: Freemius SDK to 2.5.5
fixed: Undefined variable $output_time in queue.class.php
fixed: CSS issue on Precheck
improved: connect screen for Envato licenses

new: [Action Required] license provider - please follow the guide to migrate your license
new: Email logs. You can now enable logging for all outgoing mails sent by Mailster
new: option to use OpenStreetMap as an alternative for Google Maps
new: emoji picker in campaign editor

added: option to bulk add and remove from every list
fixed condition on the subscribers over view
fixed: PHP throws error if str_replace with a value below 0
fixed: RSS feed missing modified date in some cases change: RSS feed extract images from content first
fixed: issue when bulk confirm/add/delete subscribers from list
fixed: missing slug on add plugins page
improved: better sql query for growth calculation.
improved: database cleanup mechanism
improved: prevent caching on cron page
improved: speed of delivery is now split into PHP processing and mail sending on the cron page
improved: updated queue SQL to handle campaigns when split campaigns is enabled.
tiny fixes and improvements