Avoid binary files in source release artifact

The source release contains compiled code:

- ./wrapper/src/main/resources/org/apache/karaf/wrapper/internal/*

-  ./deployer/kar/src/test/resources/goodKarFile.kar

- ./main/src/test/resources/test-karaf-home/system/org/apache/felix/org.apache.felix.framework/5.6.10/org.apache.felix.framework-5.6.10.jar

- ./main/src/test/resources/test-karaf-home/system/org/apache/aries/blueprint/org.apache.aries.blueprint.api/1.0.0/org.apache.aries.blueprint.api-1.0.0.jar

-  ./main/src/test/resources/test-karaf-home/system/pax-url-mvn.jar