Bloodhound

Fixed the map problem.

Added an option to change the node inspection distance. Default is 60 yards.

Added "All" and "None" buttons to help quickly select or deselect all zones or node types.

The map fix required a workaround due to limitations in the WoW add-on interface. Add-ons can only get the player's current position if the map is showing the zone that the player currently occupies. So if the map is showing a different zone, the add-on saves the map, switches it to the player's zone, grabs the player position, and then switches the map back, really quickly. It fixes the default map UI, but has the potential for adverse interactions with other add-ons that hook into map change events.