Make sure REXML entites are not encoded
Make sure REXML entites are not encoded

this fixes problems where quotes in queries to solr
where badly encoded if REXML was used instead of
SimpleXML. Eg. double quotes were encoded as &quot;
which the solr server couldn't parse.

closes #34

dcrec1/acts_as_solr_reloaded,dcrec1/acts_as_solr_reloaded,tcjuan/acts_as_solr_reloaded