Adds support for additional Heat configurations

Saves all parts with content type "text/x-cfninitdata"
in the directory defined in the "heat_config_dir" option.
Modified test for heat handler plugin

Added a new test for the new method _check_heat_config_dir and
modiffied the test for the changed process method.
Adds serial port logging support

Adds serial port logging to improve troubleshooting.
Serial port settings are confugurable with the option:
"logging_serial_port_settings"
Merge pull request #43 from trobert2/modiffied_heat_tests

Modified test for heat handler plugin
Normalize line endings
Adds pyserial to the requirements
Fixes bug in winrm cert auth plugin for user_data

Adds a try / catch when retrieving the user_data to avoid
an exception.
Removes unnecessary pass statement
Adds additional serial port logging config
Move to oslo.config
Updates oslo-incubator files

Updates to the stable/grizzly version since "openstack.common.setup"
has been replaced with "pbr" in later versions and this will require
the conversion of setup.py before.
Move setup to pbr usage
Updates oslo-incubator files to the current master
Changes log level for sysprep completion message
Adds six and Babel to the requirements