Reimplemented build_sphere() for meshing circles and spheres.  Currently supports only Hexahedral elements in 3D, but could probably be extended to support Tets using the 24-split technique...
Reimplemented build_sphere() for meshing circles and spheres.  Currently supports only Hexahedral elements in 3D, but could probably be extended to support Tets using the 24-split technique...


git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@1869 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh