removed useless imports
ENH: added parallel computation of dissimilarity matrix + fixed typo in function name
moved print after cpu_count()
Merge pull request #5 from emanuele/parallel-dissimilarity

Parallel dissimilarity
Workaround for MenuBar in MAC-OS
Removing unnecessary stuff
Setting MenuBar inside MainWindow only.
Window's title changed to Tractome
Merge branch 'mac-os' of https://github.com/dporro/tractome into mac-os