Merge remote-tracking branch 'origin/datamodel-overhaul' into datamodel-overhaul
Merge pull request #671 from fabiobatalha/datamodel-overhaul

Datamodel overhaul (Collection, Journal, Status)
Merge pull request #1 from jamilatta/datamodel-overhaul

Corrigido o bug no admin da entidade JournalPublicationEvents e adicionado StatusParty no admin
Inclusão de testes para signals
Merging com desenvolvimentos do Jamil
Merge branch 'datamodel-overhaul' of github.com:scieloorg/scielo-manager into datamodel-overhaul
Ajustes na importação por consequência da mudança de modelo