Relocating labs (1/2)

Removing Algorithms/Applications distinction.
Relocating labs (2/2)

Relocate Application labs to new Labs folder
remove forced figures

make variable assignments consistent
Update paths (1/4)

Update paths in Vol1
Update Paths (2/4)

Update paths in Vol2
Update Paths (3/4)

Update paths in Vol3
relocate Finite Element lab
relocate Spectral labs
Update Paths (4/4)

Update paths in Vol4
cull old labs from volumes
relocate lab
remove first argument

Since labs are no longer classified as algorithms or applications, we
have removed the first argument from \lab command
remove first argument form lab command
remove parts

Add proper appendix (new dependence on appendix package)
update paths in file exceptions
make output clearer to read
need pre/post paths

Apparently, we need the old paths as well.
update paths in extra labs
update path for Broyden lab
remove datasets