CardDAV MIddleware UI v1.3

For users coming from previous versions: This is only for developers and is not the FreePBX module, download moved here (more info)

What's new:

• Fixed style of many elements for PBX v.17
• Implement new "PASSTHROUGH" type for XML phonebook
• Prevent multiple click of notification delete button (fixes counter going below 0)
• Add persistent tutorial button (to open it after first run)
• "Bypass SSL" button now doesn't validate automatically for a better UX
• It is now possible to close the setup dialog