update ex3
Merge pull request #15 from mad-int/master

Advanced Programming - Excerice 3 - Task A
Merge branch 'master' of https://github.com/mattmilten/appfs
added ex2
Merge pull request #16 from bzfhoppm/master

added ex2
Update README.md
Merge branch 'master' of https://github.com/mattmilten/appfs
Update README.md
Update README.md
Merge branch 'master' of https://github.com/mattmilten/appfs
add new exercise ex4
Update README.md
Update README.md
add some helper files for ex4
update README
Update README.md
Update README.md
Update README.md
Advanced Programming - Excerice 4

submitted by Sascha Baer