Import viewstate (watch history) from another database.
Viewstate import - Development complete
Developer initial testing complete.
1. Copy DB from Syno to Linux workstation
2. Setup empty PMS on Linux workstation
3. Add library section
4. Observe media all unwatched
5. import the DS418's database
6. Verify on Linux workstation -- all titles now marked played
Replaced 'echo -n' with posix printf.
Timestamp changed, Add Undo to new code
1. To increase portability, changed the ':' in timestamo to '.' (MacOS problems)
2. Completed adding WriteLog and logic to support UNDO for importing Viewstate
Change 'cut' back to awk
use printf in new code. Reapply timestamp change
Viewstate import - Improve error checking and recovery
Fix misplaced quote
