Development env: install new Solr version

Use upstream Solr version (which is much newer than the distribution
version) by default on development environment, since we want to use
this version as a basis for future development.

environments/development/host_vars/epos-msl

@@ -30,3 +30,9 @@ msl_api_app_url: http://epos-msl.ckan.test/webservice
 msl_api_asset_url: https://epos-msl.ckan.test/webservice
 msl_api_app_key: ""
 ckan_api_token: none
+
+#########################
+# Solr configuration
+#########################
+
+solr_install_native: false