Correct RT130 disk usage display

closes #148 (closed)

assigned to @ldam

added 3 commits

• ceabe8b4...0511c997 - 2 commits from branch master
• b55a6d68 - Merge branch 'master' into i148_disk_usage_display

Compare with previous version

requested review from @kienle

approved this merge request

mentioned in commit 268f28ec

merged