added swp files to gitignore
started integrating python's standard logging module

replacing all the print statements to give some
more flexibility and configuration options for logging.

started with pyre.py
setup logger in zbeacon
do a check if peer is in group and log a message if not
removed redundant zmsq_print function
integrated logger in pyre_peer.py
reformatted README.md example and replaced print
replaced print with standard logger
pep8 compliance
fixed some imports and other things spewed up by pyflakes
added indentation back in example
dropped some messages to the debug level

removed logging of dropping our own zbeacons
fixed calling root logger instead of module logger
Merge pull request #22 from Rio/feature/standard_logging

Feature/standard logging and more