GitLab

utility to detect timeouts and more generally determine the share of instances that take longer than a certain value

linear programming overhaul (includes closing of memory leaks by implementing proper destr and copy constr)

- Adding SubGraph class for easy manipulation of restricted graphs

- adding orphaning to fringe operations
- adding exposing tipping options through graph generator/maintenance 
problem generator
  - exclusive tipping of nodes without incoming/outcoming edges
  - exclusive tipping of nodes generated in start and end steps of 
grow_acyclic_from_graph_in_steps

csv support for test data; mp problem graph generation now supports setting edge capacities of tip edges to inf 
csv gather function aggregate everything into a single csv file; this 
behaviour will change in the future

Merge branch 'master' of https://git.rwth-aachen.de/bachelorarbeit-jonas_seidel/graphtheory-assertion-tester

Group test generation using raster to generate test data (used in maintenance_problem_test_incid_edges.cpp)