Sachesi 1.6.1

Changelog:
Added a newer protocol to talk to device (practically the same)
Fixed up some layout issues in UI
Added Beta server back
Fixed bug where there would be no initial tab selected
Combined 'Select folder' and 'Select files' buttons in to one.
Files are now inspected to determine if they are radio or OS instead of going by the filename.
Resolved an issue on Windows where restores would freeze due to a bug in zlib.