Configure VRRP adapated to ipv6.
VRRPConfigure updated with two templates.
ConfigureVRRP test modified for new checkParams.
IPInterfaceParser adapted for VRRP ipv6.
Configure IPv6 VRRP action, templates and tests.
Unconfigure VRRP action, command and tests.
Update VRRP Priority action and test.
Update virtual IP Address action and tests.
Update virtual link in VRRP.
VRRPConfigure adapted to two IPprotocolEndpoints for ipv6.
OpenDebugSocket removed.
Fix several errors in VRRP.

Conflicts:

	extensions/bundles/router.model/src/main/java/org/opennaas/extensions/router/model/utils/IPUtilsHelper.java
Avoid duplication of VRRPGroups in the model during router config parsing.
Better copies of IPProtocolEndpoint in VRRP commands.
VRRPProtocolEndpoint copy ProtocolFtype.
Fixed error in template now that we support multiple addresses per interface.
Intelligence moved from command to capability.
Merge branch 'develop' of git://github.com/dana-i2cat/opennaas into feature/refactoring-vrrp

Conflicts:
	itests/router/src/test/java/org/opennaas/itests/router/helpers/ParamCreationHelper.java
Merge pull request #585 from adrian-rosello/feature/refactoring-vrrp

VRRP IPv6

There is a limitation exposed in following issue:
http://jira.i2cat.net/browse/OPENNAAS-954

Meanwhile these limitation is there, when VRRP ipv6 is removed, the virtual link ipv6 endpoint remains there. It has to be removed in a separate command (using removeIP shoud do).