Merge pull request #1 from OberflaechenprogrammierungOTHAmberg/master

Vorlage
GitIgnore

Add GitIgnore for ignoring files types
Add MathArts project

Provide MathArts solution (VS2012 .NET 4.5)
-enable warning as error
Merge pull request #2 from OberflaechenprogrammierungOTHAmberg/master

Add MathArts project
Merge pull request #3 from OberflaechenprogrammierungOTHAmberg/Work

FI MathArts solution