Added general support infrastructure for the Hungarian translation.  The dynamic elements as well as the PO file is to be translated later.
Added general support infrastructure for the Hungarian translation.  The dynamic
elements as well as the PO file is to be translated later.

inveniosoftware/invenio-search,tiborsimko/invenio-search,inveniosoftware/invenio-records,inveniosoftware/invenio-search,inveniosoftware/invenio-records,tiborsimko/invenio-search,tiborsimko/invenio-records,tiborsimko/invenio-records