Merge pull request #3642 from basepi/develop

Add None checks for eventfired in event.py
Minior cleanup of docstring
This module has never been used
clean up bad imports in the cmdmod execution module
Fix docstrings in config.py
Fix docstrings in cp module
Add docstring that is missing from cron function
docstring updates for daemontools
Add docstring to django command function
Clean up bad importsin file module
Add conforming data to archive.gunzip
Major docstring updates to file module
Add cli examples to gem docstrings
Add cli example to git.submodule
clean up file.remove docstring
Fix cli examples in network module
Add cli example to pam.read_file
Add cli examples to pecl module
Add cli examples to pkg_resource functions
Get rid of check_or_die in postgres module