Replaced "orthogonal" with "orthonormal" when refering to matrices to
match terminology in the textbook.
A few more clarifications in the householder lab.
Replaced ^* with ^H to denote conjugate transpose.
This is to match syntax in the book.
Replaced ^H with ^\textsf{H} to match textbook.
fixed incorrect command.
Merge pull request #348 from insertinterestingnamehere/householder

Householder
Fixed another typo in householder and hessenberg pseudocode.
Merge pull request #349 from insertinterestingnamehere/householder

Fixed another typo in householder and hessenberg pseudocode.
Minor edits as suggested by students.
Changes to Leontieff and QR.
Merge pull request #350 from abefrandsen/temp2

QR edits
Merge branch 'develop' into listings-styles
convert from pseudo to algorithm environment

Moved existing pseudocode to new algorithm environment.