EXP: experimental numba-based serial multiplication
ENH: new cython interpolation routines
New symbolic model
Deleted old compilers (fgh and uhlig)
Some fixes related to new symbolic models
Updated rbc notebook and simulations to use new symbolic model.
Continue transition to new models. (all tests pass)
Merge branch 'new_model'

Conflicts:
	dolo/numeric/interpolation/splines_cython.pyx.in
Restored symbolic_old.py file + GModel doc
Some fixes for the statefree models + tutorial on statefree models (incomplete)
Make compiled models the default.
Suprressed unneeded print statement.
Many fixes to get rid of old CModel compiler.
Added numba compiler
"method" option in global_solve
gpu version of numba compiler
Merge branch 'numba' of https://github.com/albop/dolo into numba
Merge branch 'master' into numba
Numba compiler (tracking down the bug)
Changed test for numba compiler.