[svn-r13636] Description:

Change H5[D|G|T]<foo>_expand() "temporary" API routines to
H5[D|G|T]<foo>2() "versioned" routines.  Also added
H5[D|G|T](create|commit)_anon() routines to continue to allow "anonymous"
objects to be created in a file.

Tested on:
    Mac OS X/32 10.4.9 (amazon)
    FreeBSD/32 6.2 (duty)
    FreeBSD/64 6.2 (liberty)
    Linux/32 2.6 (chicago)
    Linux/64 2.6 (chicago2)

tools/testfiles/h5mkgrp_nested_mult_latest.ls

@@ -3,18 +3,18 @@ Expected output for 'h5ls ../testfiles/h5mkgrp_nested_mult_latest.h5'
 #############################
 Opened "../testfiles/h5mkgrp_nested_mult_latest.h5" with sec2 driver.
 /one                     Group
-    Location:  1:342
-    Links:     1
-    Modified:  XXXX-XX-XX XX:XX:XX XXX
-/one/two                 Group
     Location:  1:195
     Links:     1
     Modified:  XXXX-XX-XX XX:XX:XX XXX
-/three                   Group
-    Location:  1:636
+/one/two                 Group
+    Location:  1:342
     Links:     1
     Modified:  XXXX-XX-XX XX:XX:XX XXX
-/three/four              Group
+/three                   Group
     Location:  1:489
     Links:     1
     Modified:  XXXX-XX-XX XX:XX:XX XXX
+/three/four              Group
+    Location:  1:636
+    Links:     1
+    Modified:  XXXX-XX-XX XX:XX:XX XXX