Added (implicit) dependency on scipy.

Scipy is an implicit dependy of numpy, but is not necessary automatically installed when installing numpy.
Improved README text formatting
Further improved formatting of README
Further improved formatting of README
Changed opencvBuilder folder to a symbolic link to the openCV-sconsbuilder 3rdparty folder
Improved README
Merge branch 'variantDir' of github.com:tass-belgium/EmbeddedMT into variantDir