Add configuration for OpenShift
Add IfModule wrapper around IndexIgnore

OpenShift's Apache doesn't have mod_autoindex turned on so
the IndexIgnore directive does not exist.
Merge pull request #46 from peterkeen/openshift

Openshift
Merge branch 'develop' of github.com:dreamfactorysoftware/dsp-core into develop
Merge branch 'develop' into cache-work