configs directory doesn't get pathed properly in .gns3 file

 Fixes #7
Don't create the project in it's own subdirectory (use -o | --output for this instead)

 Fixes #3 again
Ignore NOTES that contain an interface parameter (old interface labels)
Update documentation
Implement new JSONTopology class
Update documentation for new JSONTopology class
Update changelog and bump version to 0.2.0