Fixed Project#all
Processing integration (half done)

has_processing
has_ready_processing
has_processing_after
has_processing_before
last_processing_state

Still need to ensure that client acceptance tests are passing after merging with repository and finish the other half of the integration
Repository integration

Still need to make unit tests pass.
Unit tests fixed for repository integration.

signed-off-by: Rafael Reggiani Manzo <rr.manzo@gmail.com>
last_state_of processing fixed
Fixed processing last_state_of unit test
Integrated get method
Integrating ModuleResult with kalibro_processor
Integrated children_of method
Integrating ModuleResult with kalibro_processor
history_of. Missing acceptance test

Signed off by: Rafael Reggiani Manzo <rr.manzo@gmail.com>