Merge branch 'master' of https://github.com/pylayers/pylayers

Conflicts:
	pylayers/antprop/antenna.py
modif in body and simultraj
 links.py created
Merge branch 'master' of https://github.com/pylayers/pylayers

Conflicts:
	pylayers.egg-info/SOURCES.txt
	pylayers/antprop/antenna.py
	pylayers/simul/simultraj.py
fixing conflict
Merge branch 'master' of github.com:pylayers/pylayers

Conflicts:
	pylayers/simul/links.py
modif in simutraj to work with the body file format + adding statModel
iwork on link class
modif ray
add _saveh5 in rays
modif in sig
add _saveh5 in signature
change in channel
add save_h5 in channel
save T chann
add _saveh5 in Tchannel
Merge branch 'master' of github.com:pylayers/pylayers
updating doc
adding example figures
+ New examples can be added in doc/_static
- correct save imanagement of obj in links.
- next step : add load