ContentDetector: moved byte-methods to ByteUtils
implemented CopyPaste over Xwt
Xwt.Clipboard: added Transfer-methods for ClipBoard
ContentConverter: fix bug
IWebBrowser: moved unused Methods to IWebBrowserEx
GeckoWebBrowserBackend added to Limaki.View.WpfBackend
TransferDataManager: use it from pool
cleanups
prototyped TransferFingerPrints to handle dragdrop/paste smarter