Makes it possible to set custom testing Solr connection parameters in a 'solr.ini' file.
Makes it possible to set custom testing Solr connection parameters in a 'solr.ini' file.

scholarslab/SolrSearch,scholarslab/SolrSearch,CATCH-FACT/SolrSearch-VB,scholarslab/SolrSearch,micongrin/plugin_SolrSearch-WMI,CATCH-FACT/SolrSearch-VB,CATCH-FACT/SolrSearch-VB,micongrin/plugin_SolrSearch-WMI,micongrin/plugin_SolrSearch-WMI,anuragji/SolrSearch,anuragji/SolrSearch,CATCH-FACT/SolrSearch-VB,anuragji/SolrSearch,scholarslab/SolrSearch,anuragji/SolrSearch