add ability to replace existing Dyn records
Merge pull request #3032 from blentz/dyn_allow_replace

add ability to replace existing Dyn records
[vcloud_director] gateway should be nullable in network
Fixing uniq_id issue with create_load_balancer mock
Forgot to commit uniq_id
Deduplicating, using Fog::Mock.random_numbers()
Merge branch 'new_fix_for_create_load_balancer_mock' of github.com:dejo1307/fog into new_fix_for_create_load_balancer_mock

Conflicts:
	lib/fog/rackspace/requests/load_balancers/create_load_balancer.rb