Inserting in meta, previous and next resource uri
Merge branch 'master' of git://github.com/scieloorg/balaio into 133_next_previous
Removing blank lines
Refactored
Merge branch 'master' of git://github.com/scieloorg/balaio into 133_next_previous
Refactoring of next and previous resource_uri
adjustments for next and previous resource uri
including filters to meta
Add filters to resource uri (next and previous)
total_count is the total of the query result
changed _int to _positive_int
_int_positive to _N (natural numbers)
Ajustes no código
change total_count to total
Merge branch 'master' of git://github.com/scieloorg/balaio into 133_next_previous

Conflicts:
	balaio/renderers.py
Ajustados os testes de renderer.GtwMetaFactory._resource_uri
Renomeado o método renderers.GtwMetaFactory._resource_uri para _current_resource_path, para melhor expressar sua funcionalidade
Troca de _N() por _positive_int_or_zero() (#142)
Merge branch 'master' of git://github.com/scieloorg/balaio into 133_related_resources

Conflicts:
	balaio/gateway_server.py
	balaio/renderers.py
	balaio/tests/test_renderer.py