Follow-up to r1604179: Print "Committing transaction" progress notification 
for tree changes only commits.

Found by: julianfoad

* subversion/svn/notify.c
  (notify_body): Unconditionally print "Committing transaction" progress 
   notification.

* subversion/tests/cmdline/basic_tests.py
* subversion/tests/cmdline/blame_tests.py
* subversion/tests/cmdline/copy_tests.py
* subversion/tests/cmdline/merge_reintegrate_tests.py
* subversion/tests/cmdline/merge_tests.py
* subversion/tests/cmdline/stat_tests.py
* subversion/tests/cmdline/svnadmin_tests.py
* subversion/tests/cmdline/svnrdump_tests.py
* subversion/tests/cmdline/switch_tests.py
* subversion/tests/cmdline/update_tests.py
  (basic_mkdir_url, basic_delete, blame_output_after_merge,   
   wc_copy_parent_into_child, basic_reintegrate,
   obey_reporter_api_semantics_while_doing_subtree_merges,
   update_loses_mergeinfo, merge_loses_mergeinfo,
   merge_old_and_new_revs_from_renamed_dir,
   merge_source_normalization_and_subtree_merges,
   dont_add_mergeinfo_from_own_history,
   merge_added_subtree, dont_merge_revs_into_subtree_that_predate_it,
   set_up_renamed_subtree, no_self_referential_filtering_on_added_path,
   merge_range_prior_to_rename_source_existence,
   committed_case_only_move_and_revert, status_ignored_dir,
   load_with_parent_dir, reflect_dropped_renumbered_revs,
   reflect_dropped_renumbered_revs, svnrdump_load_partial_incremental_dump,
   delete_subdir, failed_anchor_is_target, bad_intermediate_urls,
   forced_switch_failures, another_hudson_problem, new_dir_with_spaces,
   update_copy_of_old_rev): Update expected output. 
)

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1606182 13f79535-47bb-0310-9956-ffa450edef68