More documentation in utils.
Added --run command to the shell, for running arbitrary shell commands on all the hosts in the current node.
Use setproctitle to set process names (for client and socket server).
setproctitle for standalone_shell and telnet_server.
Automatically log to tempfile in socket_server.
Better process titles.
Todo added.
Cleaned up imports.
Little cleanup in node.py
Docstring for is_interactive added.
TODO's added.
Get SSH host parameters from config file

No need to specify the key_filename etc., allows different settings per user.
Merge pull request #24 from janfabry/feature/ssh_config

Get SSH host parameters from ~/.ssh/config file
Use items() instead of iteritems()
--run-with-sudo cammand added to shell.
Bug fixes in inspection.
Progress bar added to console.
Fixed the Analyse command.
Cleaned Redis node.
Big rewrite of the the hosts module.