gg-8560 - Added store wrapper ensuring only one thread loading particular key.
Merge branch 'sprint-29' of github.com:ggprivate/ggprivate into gg-8560
# GG-8560 Fix incorrect HashMap creation.
GG-8560 Use GridCacheStoreBalancingWrapper in GridCacheStoreManager.
# GG-9213 Added peerClassLoadingEnabled to ggfs-no-endpoint.xml
Merge remote-tracking branch 'remotes/origin/gg-8560' into sprint-29
Merge branch 'gg-9213' into sprint-29
Minor fix.