Added the 2012 exams
Merge branch 'master' of github.com:bcaffo/751and2
compiled hw 2
Fixed legacy odd wording in a problem
Corrected the links in hw3 and compiled the pdf
Merge branch 'master' of github.com:bcaffo/751and2
Fixed the link for problem 4 of HW3
Added some blank notes
Added some glm content to HW4.
Merge pull request #1 from bcaffo/master

update