Place xpcshell output in the sr output directory

Do this directly, instead of via the collator after xpcshell has been
run. This makes things easier to find when debugging problems.
Store working directories in main stoneridge dir

This makes debugging easier by not having a bunch of junk directories
scattered around /tmp
Make cleaner a daemon

This means things will stick around for a while after a run is
completed, which will make it easier to debug things!
Merge branch 'master' into debugging_fixes

Conflicts:
	srworker.py
Merge branch 'master' into debugging_fixes
OSX Startup for cleaner
Proper type for cleaner keep value
Merge branch 'debugging_fixes'