MPI communication for the grid velocities.
Merge branch 'master' of http://github.com/su2code/SU2
Mergiing in section cutting stuff.
Option to control writing of sectional forces.
Small performance improvements
Merge branch 'master' of https://github.com/su2code/SU2
Allocating sections by marker.
Merging updates to airfoil section cutting.
Sectional Cp output.
Merge branch 'master' into feature_TimeSpectral
Working version of pressure distributions on sliced sections.