Removed local file path reference at development computer
Fixed bug in subSurface().

The actual bug was inside the LRSplineSurface constructor (called from
subSurface() only) which did not update the LRBSpline2D basis functions
with the mesh set in LRSplineSurface.
Moved data files from public repository
Merge pull request #19 from KjeFre/bad_file_reference

Removed local file path reference at development computer
Merge pull request #20 from sbriseid/subsurface_bugfix

Fixed bug in subSurface().
Merge pull request #21 from KjeFre/composite_data_cleanup

Moved data files from public repository