Translate German comments and terms in sw/inc/ and sw/source

Change-Id: I1330a358db2c6cdc0512009befeafa0582ac4877
Reviewed-on: https://gerrit.libreoffice.org/36288Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>