testing 'tessellate' jni

jni/tessellate/tessellate.h

@@ -0,0 +1,13 @@
+typedef struct Vertex {
+    double pt[3];
+    int index;
+    struct Vertex *prev;
+} Vertex;
+
+//void tessellate
+//    (double **verts,
+//     int *nverts,
+//     int **tris,
+//     int *ntris,
+//     const float **contoursbegin,
+//     const float **contoursend);