modif in rays.py
Merge branch 'master' of https://github.com/buguen/pylayers
Merge pull request #161 from niamiot/master

show sig + last body update
commiting before pull
Merge branch 'master' of https://github.com/pylayers/pylayers
fixing bug in del_points
fixing bug in delete subsegment
updating
fixing conflict
loc
fixing bug in slab.py
Merge branch 'master' of https://github.com/buguen/pylayers
vizualization of antenna pattern on body
avoid to call body.center twice
adding body example
adding style in notebooks
ordering notebooks
fixing bugs in selectl
 various changes
clean trajectory notebook