Resolving external extraction libraries for Solr 4.3.0
Added external extraction libraries for Solr 4.3.0
Added external clustering libraries for Solr 4.3.0
Added external languageid libraries for Solr 4.3.0
Added external velocity libraries for Solr 4.3.0
Removed artifact's logging
Merge pull request #7 from ffbit/external-libraries

External libraries
Closes #3