refactoring IaaS abstract class
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
upgrading jclouds version to 1.7
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
fixing a copying of a reference to a new instance
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos