MDL-32251 add missing spikephpcoverage modification info, improve coding style in competionlib

lib/completionlib.php

@@ -573,7 +573,7 @@ class completion_info {
                     $this->internal_systemerror("Unexpected result: multiple grades for
                         item '{$item->id}', user '{$userid}'");
                 }
-                $newstate = $this->internal_get_grade_state($item, reset($grades));
+                $newstate = self::internal_get_grade_state($item, reset($grades));
                 if ($newstate == COMPLETION_INCOMPLETE) {
                     return COMPLETION_INCOMPLETE;
                 }

lib/spikephpcoverage/readme_moodle.txt

@@ -20,5 +20,6 @@ Our changes: /// Look for "moodle" in code
  * removed deprecated "=& new"
  * src/phpcoverage.remote.bottom.inc.php | => Prevent execution (not used and unsecure)
    src/phpcoverage.remote.top.inc.php    |
+ * E_STRICT fix - add static to "public function getLogger" in /src/src/util/Utility.php
 
 20090621 - Eloy Lafuente (stronk7): Original import of 0.8.2 release