Split the TreeSync CLI command into threads for quicker completion.
Modify TreeSync to log exceptions on particular TSUIDs instead of killing the
entire thread.
Modify "uid fsck" CLI to skip meta data entries

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Add backlog option to the TSD so that the user can adjust the connection queue
depth.

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>