[cXF] Style Variations in Navigation v1.3.0

• compatibility with XenForo 2.3.5 (changed the behaviour to open in an overlay window instead of a drop-down menu)
• new positions added

• added support for [cXF] Top Navigation

• added option in the style properties to set the position (before or after Quick search)

*if you are upgrading from the previous version, you must also set the position in the style properties