minor alteration to documentation for linftyNorm
Tweaked spacing in comment
couple of small changes
Merge branch 'lea/workshop_branch' of https://github.com/erdc-cm/proteus into lea/workshop_branch

Conflicts:
	src/LinearAlgebraTools.py
Merge pull request #57 from erdc-cm/lea/workshop_branch

minor alteration to documentation for linftyNorm