CIMI - fix issue with machine_configs values - DTACLOUD-369

https://issues.apache.org/jira/browse/DTACLOUD-369
CIMI - fix stop/restart actions on Machine (DTACLOUD-367 and DTACLOUD-368)

https://issues.apache.org/jira/browse/DTACLOUD-367
https://issues.apache.org/jira/browse/DTACLOUD-368
CIMI - fix Time parse on Machine model (creation time) - DTACLOUD-370

https://issues.apache.org/jira/browse/DTACLOUD-370
CIMI: Fixed problem when generating subcollection

* For disks, subcollection class was not generated yet
* Fixed capacity in Volumes
* Use generated VolumeCollection as subcollection

Signed-off-by: Michal fojtik <mfojtik@redhat.com>
CIMI: Renamed 'name' attribute to 'key' in resource properties (DTACLOUD-372)
EC2: Round down the float value of m2.xlarge hardware_profile (DTACLOUD-373)
CIMI: Added mandatory 'state' property to MachineImage (DTACLOUD-371)
CIMI: Fixed compare_values() method in tests to use 'key' instead of 'name'
CIMI - fix returned 'CIMI-Specification-Version' 1.0.1
CIMI: Fixed various compatibility issues in CIMI client
CIMI - tidy up nits in Volumes/VolumeConfigs - especially creation

related to DTACLOUD-375

https://issues.apache.org/jira/browse/DTACLOUD-375
Site: Add note about require_relative gem install for Deltacloud 1.0.5
SITE - add output for 'require_relative' note on install
VSphere: Fixed typo that cause DC to return 404 for all instances
VSphere: Report MAC addresses together with ipv4 addresses (DTACLOUD-376)

* This patch also fix the case when instance was not created
  using Deltacloud and the template_id was not saved in extraConfig.
  In that case Deltacloud will not advertise link to original template.
RHEV-M: Keep reporting the MAC addresses when ipv4 address is ready
RHEV-M: Fixed VCR fixtures to reflect recent changes in reporting MAC address
Tests: Fixed require_relative issue in drivers.
Tests: Enable turn for Ruby 1.8
Core: Add jRuby as target in Travis

* Google driver tests disabled due to incompatibility with jruby