migrate vmdk to kvm whats new

Add hotfix guide

Fix version to 5.6.1, shorten versions to 5.6

Update contextualization packages for 5.6.0

Fix FaF author mistake

Merge branch 'one-5.4-maintenance' into one-5.4

Merge branch 'one-5.4-maintenance' into one-5.4

Hotfix resolved issues to public box, get rid of hotfix guide

Fix GO API problematic tabularcolumns

Merge branch 'one-5.4-maintenance' into one-5.4