* ipaddresses : add compressIP to compress an IPv6 address (remove the 0 and add the :: if possible)
* ipaddresses : add networkFirstIP and networkLastIP to get the first and last address of a network. In IPv4, the first address is network address and the last address is broadcast address.
* ipaddresses : add ipInNetwork to know if the provided ip address is in or outside the network and cidr provided
git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4026 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
