Code cleaning
MICASERVER-87 Network repository, service, resource and events added.
Merge pull request #98 from obiba/network

Network resources
MICASERVER-87 Network indexing added.
MICASERVER-87 Network seed with published network.
Merge pull request #99 from obiba/network-index

MICASERVER-87 Network indexing added.
Merge pull request #100 from obiba/network-indexing

MICASERVER-87 Network seed with published network.
Core packages reorganization
Merge pull request #101 from obiba/core-packages

Core packages reorganization