hdf5doc

Description:
RM/RM_H5A.html
    H5Acreate2 stated that acpl_id and aapl_id should currently be NULL;
        corrected that to "should currently be H5P_DEFAULT."
    -- Closes H5A portion of Bugzilla entry 1231.
    Also fixed parallel error in other H5Acreate* and H5Aopen* descriptions.
RM/RM_H5G.html
    Corrected link in H5Gset_comment to point to H5Oset_comment.
    Corrected typo in H5Gunlink.
    -- Closes H5G portion of Bugzilla entry 1231.
    Also corrected link in H5Gget_comment to point to H5Oget_comment.
Tested: Firefox