Update Downloader to v3.0.0

TESTED FOR DANBOORU, NOT FOR DEVIANTART OR GENERAL

Changes:
- Threading updated so that a single thread is maintained for each
download slot.
- A single HttpClient is used for each download slot (hopefully solving
IO exceptions).
- Added reset button (functionality to come).
- Reorganized table columns (functionality to come).

Known issues:
- broken references in deprec folders
- slow loading time for add window
Update Downloader to v3.0.1

Minor changes and fixes only

Known issues:
- deviantART link fetching hangs sometimes (throttling?)
- small files display invalid content length
- add window interface is ugly as hell
Fix deprec dependencies
Add notes
Start settings interface framework
Merge branch 'master' of
https://github.com/platypusprime/majestic-walrus.git

Conflicts:
	Platypus Vault/src/platypus/vault/downloader/AddWindow.java
	Platypus Vault/src/platypus/vault/downloader/DownloadQueue.java
	Platypus Vault/src/platypus/vault/downloader/DownloaderWindow.java