Author: Mark Nelson
MDL-67886 tool_xmldb: checks for extra indexes
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fad610045bb028801d7fddcf1019e3a64ddbfb4c
http://github.com/moodle/moodle/commit/fad610045bb028801d7fddcf1019e3a64ddbfb4c
+  3.9 en [extraindexesfound,tool_xmldb]
+  3.9 en [nomissingorextraindexesfound,tool_xmldb]
+  3.9 en [yesextraindexesfound,tool_xmldb]
-  3.9 en [nomissingindexesfound,tool_xmldb]