noosfero | fix propagation of function rename list_articles -> list_contents (!1093)

[Rodrigo Souto]

Merge Request !1093 was merged
Merge Request url: https://gitlab.com/noosfero/noosfero/merge_requests/1093
Project:Branches: italovalcy/noosfero:list_contents/video_channel to noosfero/noosfero:master
Author: Italo Valcy
Assignee: Rodrigo Souto
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