Merge all of my changes from merge-back-to-feature-vfd_swmr-attempt-1,

including the merge of `hdffv/hdf5/develop`, back to the branch that Vailin and
I share.

Now I need to put this branch on a fork with a less confusing name than
vchoi_fork!

java/test/TestH5Tparams.java

@@ -274,6 +274,17 @@ public class TestH5Tparams {
     public void testH5Tpack_invalid() throws Throwable {
         H5.H5Tpack(-1);
     }
+    
+    @Test(expected = HDF5LibraryException.class)
+    public void testH5Treclaim_invalid() throws Throwable {
+        byte[] buf = new byte[2];
+        H5.H5Treclaim(-1, -1, -1, buf);
+    }
+
+    @Test(expected = NullPointerException.class)
+    public void testH5Treclaim_null() throws Throwable {
+        H5.H5Treclaim(-1, -1, -1, null);
+    }
 
     @Test(expected = HDF5LibraryException.class)
     public void testH5Tvlen_create_invalid() throws Throwable {