gl_analytic emits zth and nu(zth) and sig(zth) for both pops
Merge of current working into hs-dev
renamed nrtol to nxtol
added chi2 cut, only plot models which fall into first peak
added first try of plotting full distribution for each bin
Start of simplenu analysis, external data from JR
external data importation file, genesis of
Trying to merge this goddamn thing
Merge branch 'hs-dev' of github.com:PascalSteger/darcoda into hs-dev

Conflicts:
	gravlite/programs/plotting/gl_collection.py
Merge branch 'hs-dev'
wrap-up after Gaia challenge
Merge branch 'master' of github.com:PascalSteger/darcoda
manual, several renamings

Conflicts:
	gravlite/programs/disc/gl_analytic.py
	gravlite/programs/disc/gl_class_cube.py
	gravlite/programs/disc/gl_loglike.py
	gravlite/programs/disc/gl_params.py
	gravlite/programs/plotting/gl_collection.py
	gravlite/programs/sphere/gl_class_cube.py
	gravlite/programs/sphere/gl_params.py
	gravlite/programs/sphere/gl_project.py