Updates travis file
Adds tox file
Fixes error in Console class
Adds 'ipodio' command via setuptools entry point
Moves Console class to its own module
Adds default values to Options class
Adds env variable IPODIO_MOUNTPOINT to avoid --mount option every run
Adds directory push support to the 'push' command handler
Adds __version__ variable
Improves cli help string
Small improvements
Adds sitepackages option to toxfile
Adds debian python-gpod package as requirement in travis file