graph: fix 2 bugs
nom: add switch events

moved here from topology
topology: fix a bug

setConnection happened before entity was added (so before
self._parent_graph was initialized)
topology: start moving to nom api

topology now is a NOM. Remove Entities as the are defined in nom
README: Update
pox.py: Fix log initialization
Slight reorganization

Move example log config to doc (should probably not stay there
forever...)

Move nosetests config file to tests directory.  To run it, use
"nosetests -c tests/setup.cfg" or just "cd tests; nosetests".
samples: Add pretty_log sample

This is pretty much the log configuration I generally use.
lib.io_worker: adding doc strings, adding _ to private methods
lib.io_worker: fixing thread-safety issue with command Queue
Merge branch 'debugger'
Merge branch 'master' of github.com:noxrepo/pox
added an alternative select mechanism for recoco that uses epoll

select() can only do 1024 fd's which is not enough for the debugger
enable by creating a scheduler with useEpoll=true
Linux only.
typo: use keyword parameter
Merge pull request #13 from andiwundsam/master

added an alternative select mechanism for recoco that uses epoll

This fixes some scalability limitations with select on python
epoll_select: fix state mgt bug
Merge pull request #14 from andiwundsam/master

epoll_select: fix state mgt bug
pox.py: set -u flag to make stdout unbuffered
pox.core: use Epoll for the scheduler (debugger branch only)
pox-gui: init mininet_address to None