Mailster - Email Newsletter Plugin for WordPress 4.0.9

* fixed: Double id on settings page
* fixed: conflict with some third party delivery plugins
* fixed: editor did not expand to correct height on some third party templates
* improved: Excerpt and Content of posts look the same no matter which type of embedding were used

• fixed: visual issue with color picker on WP 4.9
• fixed: lists were always deleted from the manage subscribers tab
• fixed: issue with external image URLs not saving
• fixed: height not updated if image url is used in editor
• fixed: issue with Gravatar URLs
• improved: scrolling speed in editor
• improved: list query
• improved: Caching is now disabled on any page with a form
• improved: newsletter homepage selector on setting with sites over 100 pages
• improved: translation fetching

• fixed: ratings with % in segmentation causes not expected behavior in WordPress 4.8.3+
• fixed: missing escaping in segmentation rules where LIKE is used
• fixed: get next date on weekly autoresponder if weekday is not the current one
• fixed: missing form field on autoresponder overview
• fixed: updating third party templates via templates page
• updated: included template to 6.1