Merged in comments 59-61 from #3134, plus other changes; all merges for 1.40 should be done now; closes #3134

[SVN r54751]

test/distributed_csr_algorithm_test.cpp

@@ -29,6 +29,7 @@
 #include <boost/graph/strong_components.hpp>
 #include <boost/graph/distributed/betweenness_centrality.hpp>
 #include <boost/graph/distributed/dehne_gotz_min_spanning_tree.hpp>
+#include <boost/graph/distributed/st_connected.hpp>
 
 #if 0 // Contains internal AdjList types not present in CSR graph
 #  include <boost/graph/distributed/connected_components_parallel_search.hpp>
@@ -299,6 +300,9 @@ int test_main(int argc, char* argv[])
      get(vertex_index, g));
 #endif
 
+  // Test S-T Connected
+  st_connected(g, vertex(0, g), vertex(1, g), color, get(vertex_owner, g));
+
   // Test Connected Components
   //
   // CC requires an undirected graph, currently CSR graphs must be directed