Added force_config_drive param for compute

This adds the ability to turn on config drive.
nova::compute has the option, but openstack::compute
does not have a parameter to pass to nova::compute.

Change-Id: Icd680a296ac4251eeb33e4ac6feca9527ccc247b
Cleanup Rakefile by removing unused tasks

Change-Id: I9fbff29c445efadbd0e12a62b86655971da6532f
Disable 80chars/class_parameter_defaults checks

* Disable warnings for "line has more than 80 characters"
* Disable warnings for "parameterised class parameter without a default value"

We do not wish to track warnings for such violations.

Change-Id: Ia6fbb8e7b422f5e73e4746d6b3990c8411d9d4dc
Merge "Added force_config_drive param for compute"