Removed interpolation subfolder.
Added interpolation files as subfolder.
Ignore "dirty" submodules.
Updated risky_ss code.
ENH: smolyak more efficient now
Merge pull request #47 from spencerlyon2/smol

ENH: smolyak more efficient now
Modifications on Sedna.
Merge branch 'master' of https://github.com/albop/dolo

Conflicts:
	dolo/misc/yamlfile.py
Transition to fg models (continued)
Numpy and numexpr compiled functions accept vector arguments.
Warning when importing deprecated fga model.
Test for scalar evaluation of compiled functions.
Perturbation decision rules can be evaluated on vectors.
Merge branch 'master' of https://github.com/albop/dolo

Conflicts:
	dolo/numeric/interpolation
	dolo/numeric/interpolation/smolyak.py
Merge branch 'master' of https://github.com/albop/dolo

Conflicts:
	dolo/numeric/interpolation
Updated interpolation subpackage.
Merged sparse branch.
Declaration of init_values and parameters_values is now optional.
Merge branch 'master' of https://github.com/albop/dolo
Updated interpolation version.