Merge pull request #122 from adrian-rosello/fix/avoid-syso

Disable system.out in REST API provider
Implemented slice unit as a resource
Add wrappers classes in test.
Merge pull request #124 from shummi/feature/sliceAsResource

Implemented slice unit as a resource
Merge branch 'master' of https://github.com/dana-i2cat/mqnaas into feature/network-creation