Bug 9285 - EntityOwnerSelectionStrategyConfigReader in
sal-distributed-datastore uses hardcoded dependencies on OSGI/karaf
*removed hardcoded dependecies on OSGi
*removed EntityOwnerSelectionStrategyConfigReader + test
*set up properties for shards in DistributedEntityOwnershipService
via blueprint
*read config from properties via reflection from object type
org.apache.aries.blueprint.compendium.cm.CmPropertyPlaceholder
*allowed direct set up properties
Change-Id: Iff429c85e13bf6685e6d515ae044af36b19301bc
Signed-off-by: Jakub Toth <jakub.toth@pantheon.tech>