List of abbreviations is from https://is.wiktionary.org/wiki/Flokkur:%C3%8Dslenskar_skammstafanir

Change-Id: Icaf8f611d0ceb46774e580ac1e8c3a57e786c28b
Reviewed-on: https://gerrit.libreoffice.org/3862Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>