imporevements in Body._sho3
work in simultraj._show3()
Merge branch 'master' of github.com:pylayers/pylayers

Conflicts:
	pylayers/simul/link.py
- show3 in simultraj
- work on save
Merge branch 'master' of github.com:pylayers/pylayers
simultraj saveh5 ok
Merge branch 'master' of github.com:pylayers/pylayers
typos and doc
+ Network
  - improve compatibility between simulnet and simultraj in __repr__
  - clean code
  - update show with (RAT-> wstd)
+ Agent
  - pass name to Node class
+ Mobility
  - Fix bug in Person.move (3D vectors lead to non valid colisions)
+ Body
  - load fail if body file soesn't exists
+ Project
  - add body directory
+ Simultraj
  - buf fix
+ data
  - change default configuration files
- default Si/R/Ct/H in Link
- simultraj _show3 improved
Merge branch 'master' of github.com:pylayers/pylayers
update notebook
notebooks
Merge branch 'master' of github.com:pylayers/pylayers
add Alex.ini
remove simultraj.ini dependency
change _loadh5 arguments to a single string
improve trajectroy __repr__
- add trajectroies to simulnet
- impreovement in ishow os traj