add limiter in kernel for Binhgham fluid;
add setup for concrete extrusion

Bug fixes in sharp interface, Liquid phase now also initialized like gas phase in attempt to balance distruction of momentum with generation of momentum.

Conflicts:
	src/cpu/MultiphaseFlow/LBM/MultiphaseScaleDistributionLBMKernel.cpp

Conflicts:
	.gitignore
	apps/cpu/JetBreakup/JetBreakup.cpp

Fix typo in numerical tests

See merge request irmb/VirtualFluids_dev!247

Unified Refinement (CF and FC) for gpu and cpu.

Closes #60

See merge request irmb/VirtualFluids_dev!209