Follow-up to r1592724: make 'svn propget nodeprop' error out on non-existing
properties, too.

* subversion/svn/propget-cmd.c
  (svn_cl__propget): As above.  Issue a warning for each explicit target
    and error out at the end if any warnings have been issued.

* subversion/tests/cmdline/copy_tests.py
  (repos_to_wc, copy_added_paths_to_URL, copy_peg_rev_url):
* subversion/tests/cmdline/externals_tests.py
  (duplicate_targets):
* subversion/tests/cmdline/merge_reintegrate_tests.py
  (no_source_subtree_mergeinfo):
* subversion/tests/cmdline/merge.py
  (textual_merges_galore, mergeinfo_elision, empty_mergeinfo):
* subversion/tests/cmdline/prop_tests.py
  (props_over_time):
* subversion/tests/cmdline/resolve_tests.py
  (prop_conflict_resolution):
* subversion/tests/cmdline/schedule_tests.py
  (add_executable):
* subversion/tests/cmdline/svnmucc_tests.py
  (propset_root_internal):
    Adjust failure mode expectations.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1600724 13f79535-47bb-0310-9956-ffa450edef68
* subversion/po/de.po scan strings


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1600728 13f79535-47bb-0310-9956-ffa450edef68