apachesolr 7.x-1.0-rc2

New RC2 because I forgot to rename the schema and solrconfigs. No other changes aside of those

#1642140: Make the search query also escape the slash and move away from menu_tail to just 1 argument
#1518108: Devel interface for inspecting solr documents
#1402748: Check in apachesolr_do_query if the static of the query with that name already exists, and if so return it
#1631702: Report at admin/reports/apachesolr doesn't always display data from the current default solr server
#1647668: Error messages when indexing - Notice: Undefined property: stdClass::$nid in DatabaseStatementBase->fetchAllAssoc()
#1475014: Drush command solr-delete-index ignores type arguments
#1588256: Warning: Invalid argument supplied for foreach() in apachesolr_entity_update() (line 1766 of /apachesolr/apachesolr.module)
#1612530: Results say '0 comments' when comment.module is disabled
#1522174: hook_node_type_delete is wrong
#1576710: Indexing with drush cron generates a lot of invalid cron notifications
#1543754: Schema inconsistency introduced by apachesolr_update_7013
#1481564: Allow other modules to react when there are no results
#1470794: Show size of index on disk in index report
#1586320: Add support for the ExternalFileField field type
#1613328: The service_class is not passed to apachesolr_server_status() when checking each server's status on the settings page
#1621142: Broken logic in indexing of extra data
#1627484: "allowed operator" not transfered from field definitions
#1627604: Add query type for taxonomy_term_reference
#1609184: Minor code cleanup in MLT response handling
#1611338: Allowing several bundles to share the same field name within a given entity type after field_mapping_alter
#1568126: Apachesolr causes all simpletests to fail
#1609030: Missing search page still executes search
#1572722: Integrate with the Entity Reference module
#1567614: Uninstall is not complete
#1559880: 'retain filters' checkbox does not work.
#1558626: OR facet fails for string field
#1538244: Solr base query adds an extra slasj in getPath() when there is no 'q' param
#1532214: mergePolicy syntax has changed and throws error in Apache Solr 3.6
#1536936: Use json.nl=map for Luke and other json data
#1536628: Add exclude hook that allows to skip content without removing it from the table
#1536600: Performance optimizations when doing hundreds of deletes
#1515822: Support notion of parent entity for derived documents
#1519900: Error in apachesolr_index_get_entities_to_index() function