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

Conflicts:
	pylayers/antprop/signature.py
	pylayers/location/geometric/constraints/cla.py
aa
adding antprop/tests
modif in DLR.ini
Merge pull request #103 from buguen/master

antprop/tests
Merge remote-tracking branch 'pylayers/master'

Conflicts:
	pylayers/antprop/signature.py
	pylayers/location/geometric/constraints/cla.py
ray3d finalized
need to move dev-pyRT computation to Rays