mfg models (1)
More mfg model
Simulations for mfg models.
Small fixes for fga models.
Merge branch 'devel' of https://github.com/albop/dolo into devel
ENH: symbolic evaluation now evaluates simple expressions
Optional orders argument for mfg iterations.
Fast serial inversion for newton.
Merge branch 'devel' of https://github.com/albop/dolo into devel

Conflicts:
	dolo/algos/mfg/time_iteration.py
More intput tolerance for mfg/time_iteration.
ENH: many printing improvements.
REF: Moved fga files to algos.
ENH: Incorporated value function evaluation.
Restauring accuracy checks.
Merge branch 'devel' of https://github.com/albop/dolo into devel
Some last minute changes.
Added some docstrings.
Version increment