- introduce a YaCyHttp interface to modulize/separate http server
- adjust the Jetty version specific implementation part (in package net.yacy.http)
- putting the version specific code in classes starting with Jetty8xxxx
- moved existing Jetty9xxx implementation into a test class (to keep the code)
- adjust build to the changed jars
- make use of the introduced YaCyHttpServer interface in related htroot servlets
- adjust other test cases/classes
- move jetty*.jar to test library
- move SolrServlet.main as is to test, add also a junit test simulating main
- add build.xml cleanup for EmbeddedSolrConnectorTest created test/DATA
- adjust some test compile errors