Update README
Update README
Update README
Merge branch 'master' of github.com:pylayers/pylayers
restore signautre propath
modif in test_rays
Merge branch 'master' of https://github.com/pylayers/pylayers
correction of propath after a merge accident
fixing bug in Fsynth3 when dealing with .mat file
modif rays
Merge branch 'master' of github.com:pylayers/pylayers

Conflicts:
	doc/notebook/4-signal/UwbWaveforms.ipynb
	doc/notebook/5-mobility/Trajectory.ipynb
restore layout output gi
clear notebooks and remove pdb
bug in antenna np.angle instead of angle
clear notebooks
Merge branch 'master' of https://github.com/pylayers/pylayers

Conflicts:
	doc/notebook/3-antprop/Antennas.ipynb
fixing bug in to3D copy.copy(sig)