noosfero | Merge branch 'sanitize-link' into 'master' (!1039)

[Rodrigo Souto]

New Merge Request !1039

https://gitlab.com/noosfero/noosfero/merge_requests/1039

Branches: cherry-pick-e7204f47 to stable-1.6
Author:    Rodrigo Souto
Assignee:  

sanitize_link: use tags/attributes instead of scrubbs

See merge request !1037

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