ISPN-3967 Create a feature file for HotRod client for easy installation in Karaf

* add tests for HotRod client running in Karaf
* modify export/import directives for some modules so that they run in OSGi
ISPN-3967 Use a separate features file for domain objects in tests

* Fix dependency of protostream on jboss-loggin after upgrading protostream
ISPN-3967 Enable using a different version of Karaf