changing notebook name in manual
new features in editor()
recursive implementation of decompose working
bug in inclusion of cycles for ponctual contact
Gt almost calculated
Ginc working
cleaning
Merge branch 'master' of https://github.com/pylayers/pylayers into graphcyc
dirty fix in buildGt - working
rename ['vnodes'] in cycle
problem with polyg in cycles
bug fix in ptconvex
 fixing bug in showG()
modif in coverage.py
fixing DEV-RayTracing.ipynb conflict