Updated the wizard to allow GPGEncryption.
Settings now reflect the actual paths required.
Completely reworked the way differential updates are read and written,
which gives a much cleaner code, a heavy performance boost and a
highly reduced number of temporary files.
Removed duplicated code for streamwrapping.
Updated SharpZipLib to the latest release.
Removed unused compression code.
git-svn-id: https://duplicati.googlecode.com/svn/trunk@84 59da171f-624f-0410-aa54-27559c288bec
kenneth.skovhede@gmail.com