For all l10n, add format for engineering format ##0.00E+00
 decimal separator adapted
 msgid: ScientificFormatskey3 or ScientificFormatskey4 if previous one was
already used
 formatindex: 78 (free in most l10n, and near 77 which used as
scientific format for many l10n)
   exceptions: ko_KR formatindex=91; th_TH formatindex=88; zh_TW
formatindex=80 (next free value)

Change-Id: I703c1503bdac85386e9994fdd67b00aa6006d992
Reviewed-on: https://gerrit.libreoffice.org/15527Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>