pkg.8: Update example to use proper ASSUME_ALWAYS_YES value
Better looking install/upgrade output
Add a progress bar for package deletion
Properly reset the message
Replace progress bar by a percentage
Backup also uses the progressbar
Kill now dead code
Fetch now uses progress events
Add a script to generate libpkg.ver and regen libpkg.ver
Backup script is now calling pkg shell .dump
Clean up a bit unused headers
Do not print the [ / ] header for fetch as it is wrong