Merge branch 'FlorianRudolf/feature-algorithm-remove-duplicate-cells'

Conflicts:
	include/viennamesh/algorithm/all.hpp
	src/viennamesh/core/algorithm_factory.cpp
Merge branch 'FlorianRudolf/feature-documentation'
Merge branch 'FlorianRudolf/feature-parameter-interface-improvement'
Merge branch 'FlorianRudolf/fix-cleanup'
Merge branch 'FlorianRudolf/fix-cmake'
Merge branch 'FlorianRudolf/feature-silvaco-str-reader'
merge duplicate points algorithm
Merge branch 'FlorianRudolf/feature-algorithm-merge-duplicate-points' into next

Conflicts:
	include/viennamesh/algorithm/all.hpp
	src/viennamesh/core/algorithm_factory.cpp