ISPN-4907 Upgrade to protostream-2.0.0.Final
ISPN-3718 Select which protobuf fields to index

Use protobuf schema doc comment annotations similar with the Hibernate Search annotations @Indexed and @Field.
ISPN-4820 Additional tests for size method in TX context
ISPN-4839 Add the CDI + JCache to the Embedded UberJar and CDI to the Remote UberJar
ISPN-3938 AdvancedAsyncCacheLoader.process() concurrency issues

Simplify ExecutorAllCompletionService to track the tasks itself instead of
using an ExecutorCompletionService.