hdf5doc

Description:
    Merge new "merge committed datatype" feature to trunk.
        Modified functions:
            H5O/H5Ocopy.htm
            H5P/H5Pset_copy_object.htm
        New struct:
            H5O/H5O_mcdt_search_cb_t.htm
        New functions:
            H5P/H5Pget_mcdt_search_cb.htm
            H5P/H5Padd_merge_committed_dtype_path.htm
            H5P/H5Pfree_merge_committed_dtype_paths.htm
            H5P/H5Pset_mcdt_search_cb.htm
        Add new struct and functions to indexes:
            RM_H5O.html
            RM_H5P.html
Tested:  Firefox