Added Zach's draft of the GMRES lab.
Merge branch 'master' into gmres
first edit pass
more editing and small style changes

cleaned up math expressions and punctuation.
Merge pull request #15 from ayr0/gmres

Small edits and styling
Merge branch 'master' into gmres
Merge branch 'master' into gmres
Added Zach as a contributor.
Merge branch 'master' into gmres
Merge branch 'master' into gmres
Removed Zombies directory
Merge branch 'develop' of git://github.com/byuimpact/numerical_computing into develop

Conflicts:
	Vol4.tex
Merge branch 'master' into gmres
Merge branch 'master' into gmres
Some small changes in the GMRES lab.
Create the Database Essentials lab.
Merge branch 'develop' into jared
Merge branch 'gmres' of https://github.com/insertinterestingnamehere/numerical_computing into gmres
Polish the first part of the GMRES lab.
Further revisions to GMRES lab.