Extract DisplayContentBlock doc list into method
Extract DisplayContentBlock doc list into method

This is the logic the actually belongs to the class. The remainder of
content method should get refactored in terms of views and helpers.

coletivoEITA/noosfero-ecosol,macartur/noosfero,macartur/noosfero,vfcosta/noosfero,vfcosta/noosfero,AlessandroCaetano/noosfero,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,macartur/noosfero,samasti/noosfero,samasti/noosfero,AlessandroCaetano/noosfero,LuisBelo/tccnoosfero,LuisBelo/tccnoosfero,AlessandroCaetano/noosfero,LuisBelo/tccnoosfero,coletivoEITA/noosfero-ecosol,LuisBelo/tccnoosfero,AlessandroCaetano/noosfero,vfcosta/noosfero,vfcosta/noosfero,AlessandroCaetano/noosfero,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,macartur/noosfero,LuisBelo/tccnoosfero,macartur/noosfero,macartur/noosfero,coletivoEITA/noosfero-ecosol,vfcosta/noosfero,samasti/noosfero,AlessandroCaetano/noosfero,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,coletivoEITA/noosfero-ecosol,samasti/noosfero,LuisBelo/tccnoosfero,AlessandroCaetano/noosfero,coletivoEITA/noosfero-ecosol,coletivoEITA/noosfero-ecosol,samasti/noosfero,samasti/noosfero,macartur/noosfero