added sample graph from lecture
ignore graph data files
Merge pull request #22 from MarcSpicker/master

Data ignoring
friends of friends with navigator
Merge pull request #23 from MarcSpicker/master

Friends of friends!
Looks fine, good sir!
transitively reachable and bridges with navigator
Merge pull request #24 from MarcSpicker/master

Transitively reachable and bridges.
handout fixes
Merge pull request #25 from MarcSpicker/master

Some fixes in the 2.1 Handout
c&p from presentation
fixed c&p error
small "query result" presentation ;)
Merge pull request #26 from JensMetzner/master

added Query Support
task 2.1 pseudocode improvments
Merge pull request #27 from MarcSpicker/master

2.1 Pseudocode fix and 2.2 Query Result Presentation