Created package for bloodhound_solr plugin, created class for instantiating a SolrInteface object, created class and methods for indexing a single document and wrote a custom Solr schema (which, at the moment, contains only some of the required fields)

git-svn-id: https://svn.apache.org/repos/asf/bloodhound/branches/bep_0014_solr@1599380 13f79535-47bb-0310-9956-ffa450edef68