Allow a more configurable soft commit status so we can start taking advantage of Solr 4

Also appropriate for Solr 1.4 and 3.5. After you are done indexing you might want to do a direct commit to get your content instantly. There are more benefits for Solr 4 here as solr 4 can do a soft commit

Bumping to major as I really want to see this committed.

+++ b/apachesolr.index.incundefined
@@ -354,6 +354,10 @@ function apachesolr_index_send_to_solr($env_id, array $documents) {
+    $direct_commit = apachesolr_environment_variable_get($env_id, 'apachesolr_direct_commit', FALSE);
+    if ($direct_commit) {
+      $solr->commit();

Move it to the end of the batch process

Moved to end of batch process

Committed. needs backport for 6.x-3.x