Fix graph api issue

Merge pull request #142 from constantinpape/master

Fix issues in bfs graph api

Changes for GASP

Changes by @abailoni to make the main nifty repository compatible with GASP.
Also removes undirectedLongRangeGridGraph because all of its functionality is now present in the normal grid graph.

More graph functionality

This version introduces new graph functionality and multicut solvers.
Nifty now requires c++17 to be build.

Update nifty.graph.agglo

• Update nifty.graph.agglo to merge code by @abailoni
• Fix windows build
• Switch fully to gh actions CI

Make build with boost filesystem optional

v1.0.7

Build without boost::serialization

Fix issues in python bindings

Fixes issues in python bindings that caused return of some 1d tensors with shape (1,) instead of (len,).

Don't link python lib

to avoid segfaults on osx

Fix more clang issues

v1.0.4

Bump version

Fix more clang issues

v1.0.3

Bump version

Fix clang issue

v1.0.2

Bump version