Check metadata as well
Merge branch 'jake'
Set mtime
Sync full nanoseconds of mtime
Delete files
Fix "change file contents" case
Remove tracker from basic integration test

We can test against the production tracker and create a separate tracker
integration test when needed.
Fix UPnP Port Mapper
Don't connect to oneself
Fix self discovery warning
Wait less time by default
Some more fixmes
Brain-dead threading
Reorganize safe_thread
Add security check to Share#full_path
Add path security checks
Add another test case
Run integration test inside tmux
Fix broadcast reuse address

Reuse address so that multiple clients can run on the same machine
Process metadata changes