B #4017: Remove from known issues

M #-: Context updates for 5.10.0 (OpenNebula#842)

Merge pull request OpenNebula#804 from OpenNebula/fixes-5.9.80

M #-: Avoid Unicode Minus (U+2212)

M #-: Fix merges for 5.8.4 RNs

M #-: Add hotfix RNs for 5.8.2 to the TOC

Merge branch 'one-5.8-maintenance' into one-5.8

Fix listing in vxlan docs

Missing bump to 5.7.90

Add note about 5.8 beta2 in what's new

migrate vmdk to kvm whats new