[Network] removed trailing space and fixed file format.
[Network] refactored attributes names and ordering.
[Network] fixed and finished all network's docstrings.
[Network] changed output to stdout to log at info level.
[Network] Use diamond operator instead of redondant type or generic new.
[Network] fixed a spelling mistake.
[Network] fixed a missing @Override and a spare semi-colon.
[Network] Removed unused methods.
[Network] Changed PeerDiscoverySocket.addPeer from public to private.
[Network] Simplified PeerSocket's IO (removed some redundancy).
[Network] Removed some Obsoletes comments.
[Network] Removed unused imports and reordered the others.