Merge pull request #1 from wbuchanan/master

Slides for 23sep2014 added
Merge pull request #2 from wbuchanan/master

Added slides for 30sep2014; deviated from syllabus to provide more time ...
Merge pull request #3 from wbuchanan/master

Slides for 07oct2014
Merge pull request #1 from ed514/master

Slides for 14 Oct