365visual PDF portable mode

While this file sits next to pdfcraft.exe, 365visual PDF keeps its settings, log files, crash-recovery
autosaves and new digital IDs in the 365visual PDF Data folder beside it, and writes nothing to
%APPDATA% or %LOCALAPPDATA%. Copy the whole folder to move 365visual PDF with its settings.

Delete this file to use the normal per-user folders (%APPDATA%\365visual PDF and
%LOCALAPPDATA%\365visual PDF) instead. If 365visual PDF Data can't be written (for example on a read-only
drive), 365visual PDF says so and uses the per-user folders instead.
