Fixed logout in RemoteUser plugin
Fixed logout in RemoteUser plugin

Set current_user = nil when have no REMOTE_USER HTTP header.

Signed-off-by: Lucas Kanashiro <7ec126e3ea6dd3e9933df547d94f0128ace7b6d9@gmail.com>
Signed-off-by: Thiago Ribeiro <25630c3dd4509f5915a846461794b51273be2039@hotmail.com>

larissa/noosfero,larissa/noosfero,abner/noosfero,uniteddiversity/noosfero,marcosronaldo/noosfero,evandrojr/noosfero,evandrojr/noosferogov,alexandreab/noosfero,alexandreab/noosfero,AlessandroCaetano/noosfero,vfcosta/noosfero,evandrojr/noosfero,LuisBelo/tccnoosfero,coletivoEITA/noosfero,samasti/noosfero,uniteddiversity/noosfero,samasti/noosfero,marcosronaldo/noosfero,CIRANDAS/noosfero-ecosol,coletivoEITA/noosfero,arthurmde/noosfero,CIRANDAS/noosfero-ecosol,arthurmde/noosfero,larissa/noosfero,coletivoEITA/noosfero,LuisBelo/tccnoosfero,EcoAlternative/noosfero-ecosol,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,macartur/noosfero,tallysmartins/noosfero,tallysmartins/noosfero,coletivoEITA/noosfero-ecosol,blogoosfero/noosfero,macartur/noosfero,abner/noosfero,coletivoEITA/noosfero-ecosol,abner/noosfero,hebertdougl/noosfero,samasti/noosfero,larissa/noosfero,samasti/noosfero,hebertdougl/noosfero,alexandreab/noosfero,LuisBelo/tccnoosfero,CIRANDAS/noosfero-ecosol,alexandreab/noosfero,CIRANDAS/noosfero-ecosol,macartur/noosfero,evandrojr/noosfero,blogoosfero/noosfero,evandrojr/noosferogov,arthurmde/noosfero,larissa/noosfero,AlessandroCaetano/noosfero,blogoosfero/noosfero,AlessandroCaetano/noosfero,evandrojr/noosfero,marcosronaldo/noosfero,vfcosta/noosfero,arthurmde/noosfero,hebertdougl/noosfero,marcosronaldo/noosfero,uniteddiversity/noosfero,hebertdougl/noosfero,coletivoEITA/noosfero-ecosol,arthurmde/noosfero,coletivoEITA/noosfero,abner/noosfero,macartur/noosfero,EcoAlternative/noosfero-ecosol,evandrojr/noosfero,evandrojr/noosferogov,abner/noosfero,evandrojr/noosfero,uniteddiversity/noosfero,tallysmartins/noosfero,evandrojr/noosferogov,coletivoEITA/noosfero,EcoAlternative/noosfero-ecosol,uniteddiversity/noosfero,evandrojr/noosferogov,arthurmde/noosfero,blogoosfero/noosfero,hebertdougl/noosfero,tallysmartins/noosfero,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero-ecosol,uniteddiversity/noosfero,larissa/noosfero,abner/noosfero,samasti/noosfero,LuisBelo/tccnoosfero,tallysmartins/noosfero,samasti/noosfero,hebertdougl/noosfero,vfcosta/noosfero,tallysmartins/noosfero,macartur/noosfero,evandrojr/noosferogov,abner/noosfero,EcoAlternative/noosfero-ecosol,uniteddiversity/noosfero,hebertdougl/noosfero,LuisBelo/tccnoosfero,AlessandroCaetano/noosfero,alexandreab/noosfero,larissa/noosfero,tallysmartins/noosfero,blogoosfero/noosfero,evandrojr/noosferogov,AlessandroCaetano/noosfero,alexandreab/noosfero,arthurmde/noosfero,marcosronaldo/noosfero,LuisBelo/tccnoosfero,AlessandroCaetano/noosfero,coletivoEITA/noosfero,macartur/noosfero,vfcosta/noosfero,macartur/noosfero,coletivoEITA/noosfero-ecosol,EcoAlternative/noosfero-ecosol,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero-ecosol,marcosronaldo/noosfero,AlessandroCaetano/noosfero,alexandreab/noosfero,vfcosta/noosfero,marcosronaldo/noosfero,evandrojr/noosfero,coletivoEITA/noosfero