Modified EMF class to add "number".
Merge branch 'mine' of https://github.com/categorie/lmfdb into minealberto

Conflicts:
	lmfdb/tensor_products/galois_reps.py
Added function for local euler factors of modular forms.
Merge branch 'mine' of https://github.com/categorie/lmfdb into minealberto

Conflicts:
	lmfdb/tensor_products/galois_reps.py
alg coefficients
added direct function for convolving Euler factors
make the new tensor_local_factors() work
Merge branch 'master' of http://github.com/MarkWatkins2014/lmfdb into mine

* 'master' of http://github.com/MarkWatkins2014/lmfdb:
  make the new tensor_local_factors() work
  added direct function for convolving Euler factors