[libwpd/f18] (8 commits) ...fix -doc build

[David Tardon]

Summary of changes:

  19e44ff... drop unneeded build deps (*)
  1ffc99c... ... but we need zlib-devel (*)
  5e84d7d... the + in MPL license is implicit (*)
  2cfd2c0... fix changelog dates (*)
  3f78cf6... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  76d56ae... new release (*)
  aaec3a5... create and install API docs (*)
  e4f7048... fix -doc build (*)

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