Non-O BL meshing in 2D

See merge request !757

Fix for LibUtils header

See merge request !792

Fix equispacedoutput for 3DH1D with triangles

Closes #54

See merge request !787

# Conflicts:
#   CHANGELOG.md

Fix FieldConvert when using --noequispaced combined with --output-points

See merge request !775

Fix HDF5 deadlock

See merge request !786

Enable reading Semtex field files in FieldConvert

See merge request !777

Interpolator: use TwoD arrays in the interpolator

See merge request !783

Fix FilterFieldConvert for Hdf5 output

Closes #53

See merge request !781

instead of allocating millions of OneD Arrays which causes extreme memory
overhead and is slower

Fixed an error where the auxiliary field was not initialised in the Incompressible flow solver

See merge request !779

Fixed an error where the auxiliary field was not initialised in the Incompressible NavierStokes solver. Added a regression test so that an auxiliary field is used