-modif in body _show3 for color displaying
Merge branch 'master' of github.com:pylayers/pylayers

Conflicts:
	pylayers/mobility/ban/body.py
restore directory import ban.body
restore improvement in èshow3 body
restore dcs in Body._show3
- simulnet save now add meta information into hdf5 file including
agent ID and agent name
- Trajectory/Trajectories classes are compliant with new simulnet save
(upcoming consequence: name of agent has to be the name of a body file
for
further exploitation in simultraj)

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remove ID from saveh5 dataframe
bug fix in Trajectories load
improvements in link class
- add a 'force' parameter to eval to force to re-evaluate objects and
  erase previous evaluations
- various bug fix
bug fix with new version of multiwal/coverage, which caused crach in
simulnet
minor improvement in __repr__
new default agent.ini
mobility improvement to make the link from simulnet to simultraj easier
default conv_vecarr dimension modified
resolve a bug which make simulnet crash (due to recent modif in
multiwall)
improve HF5 save of simulnet
add comments in trajectory.py
adding angleonlink3 (to be tested)
bug in bsignal extract