force solr version to 6.6.0
esclude org.slf4j:jcl-over-slf4j which seems to interfere with our logging
adding org.slf4j:jcl-over-slf4j:1.7.7 explicitly as some dependency change seems to have removed it and the logging doesn't work without it
removed dep
cleaup
depending on released parent
refer to dnet45 source code and snapshot repository
inherit from dnet45 specific container parent module
codebase used to migrate to java8 the production system