Description of problem:
TripleO does not configure os_glance_staging_store correctly but uses the single store config notation of setting staging uri instead

Version-Release number of selected component (if applicable):


How reproducible:
parameters_defaults:
     GlanceEnabledImportMethods: web-download,glance-direct

Steps to Reproduce:
1.Deploy with glance-direct parameter
2.Check if this parameter setted in glance configuration
[os_glance_staging_store]
filesystem_store_datadir = /var/lib/glance/staging
3.

Actual results:
node_staging_uri=file:///var/lib/glance/staging/

Expected results:
[os_glance_staging_store]
filesystem_store_datadir = /var/lib/glance/staging

Additional info: