[svn-r22105] Description:

Bring r20557:22085 from trunk to this branch, also fixing some other
issues/failures in the branch simultaneously.  The h5repack tests are still
failing, but Neil will be checking into those, so the branch can be fully
functional again.

Tested on:
	Mac OSX/64 10.7.3 (amazon) w/debug

tools/testfiles/tpbitsArray.ddl

@@ -0,0 +1,14 @@
+HDF5 "tarray1.h5" {
+DATASET "/Dataset1" {
+   DATATYPE  H5T_ARRAY { [4] H5T_STD_I32LE }
+   DATASPACE  SIMPLE { ( 4 ) / ( 4 ) }
+   PACKED_BITS OFFSET=0 LENGTH=1
+   DATA {
+   (0): [ 0, 1, 0, 1 ], [ 0, 1, 0, 1 ], [ 0, 1, 0, 1 ], [ 0, 1, 0, 1 ]
+   }
+   PACKED_BITS OFFSET=1 LENGTH=1
+   DATA {
+   (0): [ 0, 0, 1, 1 ], [ 1, 1, 0, 0 ], [ 0, 0, 1, 1 ], [ 1, 1, 0, 0 ]
+   }
+}
+}