Popup Maker v1.14.0 Beta 1

• Improvement: Add a link to popups to admin bar Issue #892
• Improvement: Add a link to create a new popup to admin bar Issue #892
• Improvement: Add new welcome screen upon first activation Issue #900
• Improvement: Create example popup upon install Issue #857
• Improvement: Ensure subscribers table gets deleted if doing full deletion Issue #895
• Improvement: Add logging for DB table management and creation Issue #879
• Improvement: Set up continous integration for unit and integration tests Issue #640
• Improvement: Add filter to exclude blocks with isAllowedForBlockType Issue #835
• Fix: Backtick in settings page Issue #904