Merge branch 'master' into improve-connected-components

...ain/java/berlin/tu/algorithmengineering/common/Graph.java

...u/algorithmengineering/heuristics/SimulatedAnnealing.java

.../java/berlin/tu/algorithmengineering/searchtree/Main.java

...n/tu/algorithmengineering/searchtree/lp/LpLowerBound.java

scripts/compute-averages.py

scripts/compute-lower-bound-solution.py

scripts/compute-relative-solution.py

scripts/compute_heuristic_score.py

scripts/compute_heuristic_score_sa_values.py

scripts/create-cactus-plot-file.py

scripts/create-compare.py

scripts/create-sa-csv.py