Release 1.9.18

• validate ibus-table.appdata.xml in %%check
• Update translations from zanata (pt_BR updated, es new)
• Don't query user database if user define phrase and
  dynamic adjust are disabled (thanks to heiher)
• Enable hash map based cache for user database enabled
  (thanks to heiher)
• Import hash map based cache for table database (thanks to
  heiher)
• Install appstream metadata to /usr/share/metainfo/ (thanks
  to jbicha)
• Fix some appdata validation issues (thanks to jbicha)
• Fix bug in Unihan_Variants.txt, 著 U+8457 is both
  simplified and traditional Chinese (thanks to heiher)