Validate 2D transonic capabilities.

Driver now computes the average position of the transition

DDicretization now throws a runtime error if the mesh size is < 2 elements.

VTK now supported + pipeline fixed for 3D cases.

Back to blaster docker image and remove MKL

Dart interface is now able to write the surface pressure distribution.

Adding scipy before script

Added test case on the rae2822 3D finite wing thattests the 3D functionnalities of the code with vtk writing

Added vtk support in Dart api. Modified writing of boundary layer slices and introduced new argument of blast - writeSlices - which indicates vtk where to extract cps. The feature is not yet available for the boundary layer slices as this would require interpolation in the viscous solver.

Added Dartflo as submodule

Removed format check 

dart module is added to the python path and can be imported when running test cases

Removed doxygen from blaster module in CMakeLists.txt of the root folder. It is still included in dartflo (if it is installed)

Modified CMakeLists.txt files to find amfe in dartflo subdirectory and linked dart, tbox and fwk libs with blast through swig. Changed root run.py file to find amfe.