Fix real precision in SCALES (removing implicit conversions). Fix bug in computing remeshing indices from particle adimentional position (integer translation after floor position).

Fix bug in HDF5/VTK output
Fix bug in field initialization
Modif in FD and diff operators

general updates concerning NS benchmark with bluff bodies (flow past sphere, etc ...) - still some problems to solve ...

Adaptative vorticity projection according a given criterion + velocity correction (to prescribe proper mean flow and ensure the desired inlet flowrate) + some updates in adaptative time step procedure

Documentation related to velocity correction (flow rate prescription at the oulet of the box-domain ...)