GitLab

Merge branch 'feature/boost-std-cleanup' of gitlab.nektar.info:dmoxey/nektar into feature/boost-std-cleanup

Fix CR issue in the GEO reader

See merge request !805

Fix 2D varopti code

See merge request !806

Fix small CMake issue

See merge request !804

Conflicts:
	utilities/NekMesh/ProcessModules/ProcessSpherigon.cpp

Conflicts:
	library/Collections/CollectionOptimisation.cpp
	library/MultiRegions/ContField3D.cpp

fix missing if in thirdparty ccm

See merge request !802

Thirdparty compilation of libccmio

See merge request !799

# Conflicts:
#   CHANGELOG.md

Fix issue with uninitialised variable sometimes causing random BC entries

See merge request !801