Updated readme for new gem release.
Updated readme for new gem release.

CoastDigitalGroup/cdg-subengine-devise,CoastDigitalGroup/cdg-subengine,PHCNetworks/multi-tenancy-devise,CoastDigitalGroup/cdg-subengine-devise,CoastDigitalGroup/cdg-subengine,PHCNetworks/multi-tenancy-devise,CoastDigitalGroup/cdg-subengine,PHCNetworks/multi-tenancy-devise,CoastDigitalGroup/cdg-subengine-devise