Added handle property to access low-level platform interface

easycloud/common/libcloud.py

easycloud/core/compute.py

easycloud/core/metamanager.py

easycloud/core/metamonitor.py

easycloud/modules/aws_awssdk/manager.py

easycloud/modules/aws_awssdk/monitor.py

easycloud/modules/aws_libcloud/manager.py

easycloud/modules/aws_libcloud/monitor.py

easycloud/modules/chameleon_libcloud/manager.py

easycloud/modules/chameleon_libcloud/monitor.py

easycloud/modules/chameleon_openstacksdk/manager.py

easycloud/modules/chameleon_openstacksdk/monitor.py

easycloud/modules/gcp_googleapi/manager.py

easycloud/modules/gcp_googleapi/monitor.py

easycloud/modules/gcp_libcloud/manager.py

easycloud/modules/gcp_libcloud/monitor.py

easycloud/modules/openstack_libcloud/manager.py

easycloud/modules/openstack_libcloud/monitor.py

easycloud/modules/openstack_openstacksdk/manager.py

easycloud/modules/openstack_openstacksdk/monitor.py