add following models:
- PrestacaoServico
- ItemPrestacaoServico
- StatusAgendamento
- Agendamento

work-in-progress:
- finish models
- create respective admin classes
- create tests
add Payment classes
wireframes
minor fix
minor fix
minor fix
model diagram
minor fix
model diagram
model diagram
adjust model classes
adjusts and ading moels to Admin
metodo preenche todos os horarios dos funcionarios para um mes.
minor fixes
Adicionando admin para as classes
* Pagamento
* FormaPagamento
* PrestacaoServico
novo initial data
last_change in database
removendo o campo endereco
e adicionando campos logradouro, numero, complemento, bairro, cep, cidade, estado
diagrams updated