Update notebooks for cloud environments #172

Job	Run time
warn	4s
open_in_colab (dolfin, fenics==real@current$dolfin , "*/tutorial__dolfin.ipynb" ) / run	3m 45s
open_in_colab (firedrake, firedrake==real@current , "*/tutorial__firedrake.ipynb" ) / run	3m 36s
open_in_colab (dolfinx, gmsh@current%dolfinx.io fenicsx==real@current$dolfinx , "*/tutorial__do... / run	3m 35s
open_in_kaggle (dolfin, fenics==real@current$dolfin , "*/tutorial__dolfin.ipynb" ) / run	4m 37s
open_in_kaggle (dolfinx, gmsh@current%dolfinx.io fenicsx==real@current$dolfinx , "*/tutorial__d... / run	4m 35s
open_in_kaggle (firedrake, firedrake==real@current , "*/tutorial__firedrake.ipynb" ) / run	4m 39s
open_in_kaggle (none, gmsh@current , "*/generate_mesh.ipynb" "*/tutorial__meshio.ipynb" ) / run	5m 1s
open_in_colab (none, gmsh@current , "*/generate_mesh.ipynb" "*/tutorial__meshio.ipynb" ) / run	3m 7s
	32m 59s

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