[#4] added update and create screens with functionality
Merge branch 'Gera.4.SampleAndDocumentation' of github.com:inaka/IKJayma into Gera.4.SampleAndDocumentation
[#4]Replaced IKJayma files in IKJaymSample with a reference to IKJayma proyect files. Changed ip to localhost. Added custom create update and findall methods to ContactsRepository.