TANGO: Updated formatting icons and moved old tango sources to human

Change-Id: If4c730e77ae06af4239934ac05498c21c5c08602
Reviewed-on: https://gerrit.libreoffice.org/12147
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>