Log Message:
Update to 0.28 and take maintainership:

* made intltool-merge use XML::Parser (#116526 and others) [Brian Cameron]

  - added and updated tests
  - updated so that intltool-merge doesn't add a trailing '\n'
    character to CDATA values.
  - Corrected the logic of encoding/decoding the string
    before/after translation.
  - Added it to build, made it install (Kenneth Christiansen)
    - Added missing DESTDIR (Abel Cheung)
    - Also nstall OrigTree.pm in the distribution tree (Malcolm Tredinnick)
    - Check for the XML::Parser module at build time (Malcolm Tredinnick)

* Added INTLTOOL_KBD_RULE for GOK\s *.kdb files (Bill Haneman)
* Added --multiple-output option (Kenneth Christiansen)
* Avoid bashism in xgettext version check. (#120267) (Abel Cheung)
* Handle standard GNU gettext 0.12 and 0.13 installations (Malcolm Tredinnick)
* Fix the running of test 18 (multiple output test) (Malcolm Tredinnick)