Refactor to utilize associatedResource and associatedCollection
Update unit tests to reflect Loadbalance resources namespace change and refactoring
Convert LoadBalancer::virtualIps and LoadBalancer::nodes back to a mix of array and collection; Add removeNode() and unit test
Merge branch 'working' of https://github.com/JCotton1123/php-opencloud into working

Conflicts:
	tests/OpenCloud/Tests/Common/Log/testLogFile
Merge pull request #185 from JCotton1123/working

Update LoadBalancer & sub-resources namespace; Change add node behavior; Functionality to remove a node by id