GitLab

Restored OctreeCutcell example;
Added FixEdgeOrder, CheckEdgeOrder algorithms to check of consistency of
2d elements;
Element::Connect now uses FixEdgeOrder for faces;
Automatic grid dimension detection for vtk;
Fixed bug that sets may contain invalid links to elements even after
ApplyModification;
Corrected condition estimator in ddpqiluc;
Switched off pseudoinverse in bicgstab(l) since svd algorithm is bad.

Moving connections, markers, geometric type, sparse data from Storage
class to TagManager class by using standard handling of mesh data.