_NPCScan: Added 3.0.8.1 release.
_NPCScan: Added large animated button to target found units, and added a key binding for it.
_NPCScan: Removed raid warning message from Alert function, and now only flashes the NPC button when UIParent is visible so the animation plays properly.
_NPCScan: Made command line interface more friendly:

* NPC names are now saved and used case-insensitively.
* Added a "/npcscan list" command that prints all tracked NPCs.
* Reduced the number of colors in chat messages, and limited use of line color to errors and found alerts.
* AddNPC and RemoveNPC APIs renamed to simply Add and Remove.
_NPCScan: Added a maximum scan rate to the OnUpdate handler to reduce CPU usage.
_NPCScan: The NPC button can now be dragged when control is held, in or out of combat.
_NPCScan: NPC button can now be hidden in combat.
_NPCScan: Added a model correction system to improve display of odd-sized NPCs, and included corrections for most rare WotLK mobs.
_NPCScan: Removed the slash command interface and added a GUI panel to the Interface Options menu:

* Now embeds LibTextTable-1.0 to generate a list of NPCs.
* The options window includes a "Test" button that displays a mock "NPC Found" alert and prints a short set of instructions.
_NPCScan: Removed optional dependency on _Dev.
_NPCScan: Moved localizations to Locales folder.
_NPCScan: Renamed embeds.xml to Embeds.xml.
_NPCScan: Updated file paths in TOC and Embeds.xml.
_NPCScan: Removed LibStub from Embeds.xml.
_NPCScan: Adjusted embed paths so nested libraries don't get duplicated.
_NPCScan: Localization table no longer errors with nil keys.
_NPCScan: Bumping version to 3.0.9.1 for eventual release.
_NPCScan: When adding an NPC that is already in the cache, a warning message is printed instead of displaying a bogus "NPC Found" alert.
_NPCScan: Updated link to documentation page in TOC metadata.
_NPCScan: Reworded the "already cached" message to reference removing NPCs from the options menu.