fix typos in pyutil
Merge remote-tracking branch 'pylayers/master'

Conflicts:
	pylayers/util/pyutil.py
fix bug
- add_subsegment in layout
- fix locbas for subsegment
add colored signature.info()
Merge pull request #175 from niamiot/master

subsegments bug fix + Improvements
- pyinterval dependence is now optionnal
- improvement in geometric localization doc
improve doc in boxn
Merge branch 'master' of https://github.com/pylayers/pylayers

Conflicts:
	pylayers/util/pyutil.py
Modif in docstring Fsynth3 incorrect
fix doc issue in location.geometrix
Improvements
- A Signature can now be saved with Signature.save()
- A signature has now a cutoff attribute

- add a list of build graph attribute in Layout lblyg
- smart layout.dumpr() and layout.dumpw() methods (save build graphs)
- add Layout.cy2pt to obtain a point ( nd array) in a given cycle

- add in project dir
output/sig
output/r2d
output/r3d

bugfix
- restore mulcplot
Merge pull request #178 from niamiot/master

- Improvement in signatures (load/save)
- change in Layout (dumpw and dumpr )
- imporvement in geometric loc doc
modif in channel
ifixing conflict
Merge branch 'master' of https://github.com/pylayers/pylayers

Conflicts:
	doc/modules/location.geometric.rst
	doc/notebook/4-signal/.ipynb_checkpoints/UwbWaveforms-checkpoint.ipynb
fixing minor problem after last major update