Fixed bug with 1d surfaces
Merge pull request #26 from babrodtk/lrsplines_evalgrid_bugfix

Fixed bug with 1d surfaces
Merge remote-tracking branch 'upstream/working' into lr_trim_utils
Added utility app for handling json triangle data. Should be added to viewer.
Added error when calling angle2() with a dimension not equal to 2.

Also checking that the two points are of equal dimension.
Merge remote-tracking branch 'origin/working' into lr_trim_utils