firs commit, lots of files added
doxygen added
rawfigs in model_docs added
Finished the diffusion_evaluator.h, the atmosphere.h
First CN scheme, files added, first commit on this
Small update on photo absoption, Antioch::Species instead of strings for
stockage
molecular diffusion named correctly, changes in names
update on docs
A little cleaning of unnecessary lines
Update docs
Remanagement of atmosphere, diffusion is put somewhere else
update diffusion on docs and removal of unnecessary file
new files for better objects
update on docs
ups on docs
Dramatic updates on smaller objects
last update on docs
model docs out
tests added, Makefiles updated, sources on the way
Big updates
 - tests almost done
 - src needs but solver and photochemical model done