add observer pattern
Added Mushroom management presentation
Add Corncob presentation
Merge pull request #7 from llgb/master

Add Corncob presentation
Merge pull request #6 from T3H40/master

Add mushroom management presentation
Add Presentation "The Blob - AntiPattern"
Add "Reinventing the wheel" Presentation
Merge pull request #8 from MLandes/master

Add Presentation "The Blob - AntiPattern"
Merge pull request #9 from pronecker/master

Add "Reinventing the wheel" Presentation
separate mvc example and patterns
Merge pull request #4 from AlexNuernberger/master

Pull changes from upstream