ISPN-3480 Use protoparser lib instead of relying on binary descriptors g...

...enerated by protoc

https://issues.jboss.org/browse/ISPN-3480

For review only, as it still depends on protostream 2.0.0-SNAPHOST

Using this classloader works for our tests but might not be ok in server. Wouldn't cacheManager.getCacheManagerConfiguration().classLoader() work better?