add tool ByteUnitUtil.byteCountToDisplaySize for 3 digit display of file size / disk space
-> can be considered as an alternative for org.apache.commons.io.FileUtils.byteCountToDisplaySize
pull request encouraged by Christian F in Mediathek Forum to @Rubikon
add tool ByteUnitUtil.byteCountToDisplaySize for 3 digit display of file size / disk space -> can be considered as an alternative for org.apache.commons.io.FileUtils.byteCountToDisplaySize
pull request encouraged by Christian F in Mediathek Forum to @Rubikon