We have 7.2 now :metal:
update upgrader documentation to mention dependencies
gitlab 7.2 requires gitlab shell 1.9.7
remove prerelease note from 6.0 to 7.2 guide
clarify which configs should be updated
Add pkg-config as required dependency for rugged
Merge branch '7-2-stable' of https://gitlab.com/gitlab-org/gitlab-ce into 7-2-stable
Correção na migração.