Cleanup a bit of svn notification code and remove an unneeded blank line from
the svn commit output that was caused by the side effects of this code.

Update test results for this changes and include a few cases of the related
r1606182 change.

* subversion/svn/notify.c
  (notify_body): Write the newline here...

* subversion/svn/util.c
  (svn_cl__print_commit_info): ...Instead of waiting for this code.

* subversion/tests/cmdline/blame_tests.py
  (blame_output_after_merge): Update expected result.

* subversion/tests/cmdline/copy_tests.py
  (url_copy_parent_into_child): Update expected result.

* subversion/tests/cmdline/merge_tests.py
  (simple_property_merges,
   merge_old_and_new_revs_from_renamed_file,
   merge_with_auto_rev_range_detection,
   merge_source_normalization_and_subtree_merges,
   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,
   set_up_natural_history_gap): Update expected results.

* subversion/tests/cmdline/merge_tree_conflict_tests.py
  (merge_replace_setup): Update expected results.

* subversion/tests/cmdline/switch_tests.py
  (delete_subdir): Update expected results.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1606674 13f79535-47bb-0310-9956-ffa450edef68