Avoid showing an overlay window on top of a sheet.
Log TeX Live version
Use FSEvents to catch changes to TeX dist tree
Add memory management of FSEvent stream, and only monitor if /Library/TeX exists.
Rearrange project
start progress at 12 o'clock and move clockwise
fix progress cell drawing for compatibility with previous changes
make sure the progress indicator is stopped before starting it again
drive the progress indicators from the infrastructure download operation
pass double dash to prevent further option parsing
Add an option sheet for configuring automatic backup
Set window ordering instead of level.  Untested.
Remove ordering call.  Use a delayed perform to fix status window vs. sheet order.
Add --all to update list options to work around tlmgr bug
Add an operation and bitmask for pruning backups.  Not working as expected with current tlmgr.
Hook up autobackup pruning logic.

Add an alternate menu item to use the TL critical repo for installing tlmgr.
Backup cleaning requires --all flag
Calling -operations leads to a hang in dispatch on 10.6.  Work around by using the operation count ivar, which should always be correct as KVO changes are observed.
Fix if/else condition which prevented the validURL from the redirect from actually being used.
Validate the pruning checkbox
check return value from setuid