[pango] (16 commits) ...Merge branch 'better-hyphens' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  5c5c7bb... Quiet a compiler warning (*)
  1074fca... Don't insert extra runs for hyphens (*)
  eb4882c... Insert hyphens in more places (*)
  e8f20b6... Add an offset argument to pango_tailor_break (*)
  62580f2... Add an allow-breaks attribute (*)
  c7c8d81... break: Implement allow-breaks (*)
  f6b1dd2... layout: Pass offset to pango_tailor_break (*)
  b909459... test-break: Use pango_layout_get_log_attrs (*)
  85913c3... Use the allow_breaks attribute (*)
  2b4f8a7... Update expected test output (*)
  2c4c6a7... Add a missing Since tag (*)
  afb39e0... Remove an unused variable (*)
  9033c38... Fix a comment typo (*)
  a43be2c... testiter: Add more debug spew (*)
  2036d2b... ci: install droid sans (*)
  f401cb1... Merge branch 'better-hyphens' into 'master'

(*) This commit already existed in another branch; no separate mail sent