Gemfile: fix dependency specification for Debian stable
Gemfile: fix dependency specification for Debian stable

*sigh*

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