Oxz manager extras

Hotkeys for advanced features

* 'f' => filter OXZ list
* 'i' => view OXZ info
* 'x' => extract OXZ to be a disabled OXP in your AddOns folder

Now also reminds users to refresh the list when starting the OXZ manager.

The "description" field in a manifest can now have multiple paragraphs - the first is shown on the listing, and all are shown (within screen size limits...) on the 'i'nfo screen