removed obsolete write_intermediate_results function
Use correct field number of components in xi and gauss point interpolation functions

These were assuming the interpolated field number of components is equal
to the number of geometric dimensions, but any kind of field with an
arbitrary number of components could be used.
Fix Python Field.ParameterSetGetGaussPoint wrapper method
Merge pull request #182 from adamreeve/xi_interpolation

Use correct field number of components in xi and gauss point interpolation functions
Merge pull request #178 from dladd/data_point_fitting

Data point field fitting
Merge pull request #181 from mylenamordhorst/master

removed obsolete write_intermediate_results function
add boundary constraint term into face integration to counteract retrograde flow divergence
add Courant and cell Reynolds # output for 3D SUPG N-S
Merge branch 'master' into boundaryConstraint