Minor changes to the text based on feedback from users
Added author contact details so I can collect usage stats
updated index.md
Merge branch 'matlab-04-cond'
Merge pull request #781 from ashwinsrnth/master

Updating index for novice MATLAB materials
Fixed bug in time axis conversion
Fixed typo
Merge pull request #726 from DamienIrving/master

Minor changes to oceanography capstone example based on user feedback
Added slides for introduction to SQL.