Preliminary simple BSP tree, without automatic retriangulation

sample/testBSP.cpp

@@ -0,0 +1,12 @@
+#include "bsp_simple.hpp"
+
+int main(int argc, char **argv)
+{
+  CosmoTool::simple_bsp::BSP<int, double, 2> bsp;
+  double p[5][2] = { { 0, 0}, {1, 0}, {1, 1}, {0, 1}, {0, 0} };
+
+  for (int q = 0; q < 4; q++)
+    bsp.insert(p+q, p+q+2, q);
+
+  return 0;
+}