Move FEM slide up
Add Doru and Fabio to authors
Reshuffle slides
Use new pyop2 diagram
Add comparison to FEniCS backup slide
Add images
Checkout master after publishing
Small fixes
Fix UFL
Add coloring, partitioning, staging images
Add coloring, partitioning, staging slides
Update thank you slide
Some improvements to opening slide
Split speedup plot
Split speedup plot in slides