added method Ip.getAvailableIp4ForVip
Adding functionality for adding a new VIP and full model of VIP object
Merge branch 'feature/createvip' of github.com:globocom/globonetwork-client into feature/createvip
Unit test for adding a VIP and fixes
added networkId to Ip object
Merge branch 'feature/createvip' of github.com:globocom/globonetwork-client into feature/createvip
implemented NetworkAPI.getNetworkIPv4 method
created operation Ip.checkVipIp
added environmentVip
Fixing EnvironmentVipAPI
change genericXml.put to genericXml.set
Renaming EnvironmentVip to VipEnvironment and implementing unit tests
Unit tests for VipEnvironment
fixes in globonetwork client
fix bug with vip.id_healthcheck_expect
more fixes
partial fix in vip serialization
fix in ListWithNull
organized imports and implement ListWithNull with convert
fixes in vip (I hope)