add verbose flag for Launcher and Tunnel; enable autogenerate Tunnel name;
enable Tunnel configure on init; enable automated Tunnel remote port selection;
full kwds config in most functions in pathos.core; check pid for kill;
add 'all' for getpid, and allow target as int; raise errors for bad pid;
enable 'through' in connect 


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/pathos/pathos@671 8bfda07e-5b16-0410-ab1d-fd04ec2748df
Merge branch 'master' of https://github.com/uqfoundation/pathos