Rebase config-api to provide subresources.singularName(key) for fetching a keyed non-singleton resource, or null.
Rebase config-api to provide subresources.singularName(key) for
fetching a keyed non-singleton resource, or null.

jamezp/wildfly-swarm,bobmcwhirter/wildfly-swarm,jamesnetherton/wildfly-swarm,christian-posta/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,nelsongraca/wildfly-swarm,juangon/wildfly-swarm,kenfinnigan/wildfly-swarm,kenfinnigan/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,juangon/wildfly-swarm,jamesnetherton/wildfly-swarm,wildfly-swarm/wildfly-swarm,heiko-braun/wildfly-swarm-1,Ladicek/wildfly-swarm,heiko-braun/wildfly-swarm-1,jamesnetherton/wildfly-swarm,bobmcwhirter/wildfly-swarm,juangon/wildfly-swarm,jamesnetherton/wildfly-swarm,wildfly-swarm/wildfly-swarm,gastaldi/wildfly-swarm,heiko-braun/wildfly-swarm-1,bobmcwhirter/wildfly-swarm,Ladicek/wildfly-swarm,juangon/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,Ladicek/wildfly-swarm,jamezp/wildfly-swarm,bobmcwhirter/wildfly-swarm,christian-posta/wildfly-swarm,emag/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,emag/wildfly-swarm,juangon/wildfly-swarm,emag/wildfly-swarm,jamesnetherton/wildfly-swarm,emag/wildfly-swarm,jamezp/wildfly-swarm,nelsongraca/wildfly-swarm,gastaldi/wildfly-swarm,Ladicek/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm,heiko-braun/wildfly-swarm-1,kenfinnigan/wildfly-swarm,gastaldi/wildfly-swarm,emag/wildfly-swarm,kenfinnigan/wildfly-swarm,Ladicek/wildfly-swarm,christian-posta/wildfly-swarm,jamezp/wildfly-swarm,heiko-braun/wildfly-swarm-1,wildfly-swarm/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm,jamezp/wildfly-swarm,bobmcwhirter/wildfly-swarm,gastaldi/wildfly-swarm,christian-posta/wildfly-swarm,christian-posta/wildfly-swarm,gastaldi/wildfly-swarm,kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm-core