Fix tiny typo to make sphinx happier

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Consistency plots default to building all plots

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Add Maxwell solver as default saturation_T solver

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Replaced all tabs with spaces (finally) in C++ files

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>