bump verison back to development status (9999)
configure_ssh_logging -> configure_paramiko_logging

The 'ssh' Python module was renamed back to paramiko. Updated this
convenience method to use the proper paramiko logger and fixed the name.
awsutils: use sg.authorize to apply rules in create_group

closes gh-356
requirements: bump deps to latest versions
requirements: add pudb to the list of reqs
setup: use py.test for 'python setup.py test'
tests: add scaffolding for 'live' tests on AWS

Added --live option to both py.test and 'python setup.py test' for
running StarCluster tests that require a working AWS account.
tests: add --coverage option

Added --coverage option to both py.test and 'python setup.py test' that
will cause py.test to generate a coverage report after running the
tests.
tests: check pep8 compliance via pytest-pep8
tests: check pyflakes compliance via pytest-flakes