po: Added Croatian translation.

[Frédéric Delanoy]

On Thu, May 23, 2013 at 3:45 PM, Joško Nikolić <josko.nikolic1 at gmail.com> wrote:
>
> ---
>  configure  |     1 +
>  po/LINGUAS |     1 +
>  po/hr.po   | 13923 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 13925 insertions(+)
>  create mode 100644 po/hr.po

As mentioned on IRC, you should remove the #| msgid "foo" lines, and
modify 'configure.ac' instead of 'configure', which is autogenerated.

Frédéric