Remove seeding of UiTask and UiTaskSet.

Extracted from PR #264
Updated automate method parse_provider_category for host provisioning

Added check for miq_host_provision key
Updated to use defines for return values.

https://bugzilla.redhat.com/show_bug.cgi?id=1121287
Set APPLIANCE environment value.
Move the excludes file into an unless ENV['APPLIANCE'] block.

Remove loading of the excludes file.
Precompile assets prior to building tarball

https://bugzilla.redhat.com/show_bug.cgi?id=1121202
Move test gems into an unless ENV['APPLIANCE'] block.
Fixed the process_button method to render the page correctly

Rendering errors that occurred after the refresh/power button tasks were
addressed in the Storage area in the VM/Hosts associations

issue #243
Request details page to be consistent with request list

For the request details page to be consistent with page listing all
request, this adds the following items:
* Request ID
* Status
* Approval State

and renames the following items:
* Status -> Request State
* Requested by -> Requester

https://bugzilla.redhat.com/show_bug.cgi?id=1062382
Display correct set of buttons while adding a new customization template

multi_record should not be set to true in order to display the
Add/Cancel buttons

https://bugzilla.redhat.com/show_bug.cgi?id=1099808
Update tenant inventory collection

Use the OpenStack Identity Service (Keystone) to collect the full list of
tenants in OpenStack installations.
Add migration and model for quotas

* Create cloud_resource_quotas table with STI
* Create CloudResourceQuota and OpenstackResourceQuota model
    - explicitly set tablename for CloudResourceQuota since rails believes that
      the plural of "quota" is "quota"
* Update CloudTenant and EmsCloud with quota relationships

Add migration and model for quotas

Add ems relationship to quotas

Explicitly set table name for cloud quotas

According to Rails, the plural of quota is quota.  But, to stay consistent, the
table name is overridden to be "cloud_resource_quotas".

Add quotas relationship to cloud tenants
Add quota inventory collection
Add attr_accessible to cloud_resource_quota

Allows update_attributes to set type and cloud_tenant_id
Adding cloud_tenant nav bar and feature fixtures

* update page header navbar to include cloud tenant link under "Clouds" header
* add miq_product_feature fixtures for tenant feature and children
* add miq_shortcut fixtures for tenant list
Add cloud tenant routes
Show cloud tenants in ems_cloud textual relationships
Add cloud_tenants to EMS Relationships tree view
Add cloud tenant list view inside ems_cloud
Add cloud tenant list page

* create cloud_tenant_controller with show_list method
* copied availability_zone icon for cloud_tenant icon
  - cloud_tenant needs dedicated icon
* created show_list view for cloud_tenant

NOTE: requires cloud_tenant.png icon ... currently borrowing
availability_zone.png icon
Let cloud_tenant be taggable