D29299: Make KI18N_INSTALL() not rely on only LOCALE_INSTALL_DIR

[Friedrich W. H. Kossebau]

kossebau added reviewers: aacid, ltoscano.

REPOSITORY
  R249 KI18n

REVISION DETAIL
  https://phabricator.kde.org/D29299

To: kossebau, ilic, heikobecker, #frameworks, aacid, ltoscano
Cc: kde-frameworks-devel, LeGast00n, cblack, michaelh, ngraham, bruns