Assorted test fixups, especially for now-required edit notes, and quashing many warnings (esp. on perl 5.18)
test fixes: switch to using no if $] >= 5.018 for smartmatch exclusion
revert ExternalUtils change
Merge branch 'test-fixes' into beta

* test-fixes:
  revert ExternalUtils change
  test fixes: switch to using no if $] >= 5.018 for smartmatch exclusion
  Assorted test fixups, especially for now-required edit notes, and quashing many warnings (esp. on perl 5.18)
Update translations from transifex.