Task: Use absolute path instead of name

src/org/moodle/ci/Task.groovy

@@ -74,14 +74,14 @@ class Task {
                 throw new Exception("Unable to find job runner at ${pathToRunner}")
             }
 
-            return runner.getName()
+            return runner.getAbsolutePath()
         } else if (moodleVersion) {
             runner = new File("${script.env.HOME}/scripts/runner/${moodleVersion.name}/run.sh")
             if (!runner.exists()) {
                 runner = new File("${script.env.HOME}/scripts/runner/master/run.sh")
             }
 
-            return runner.getName()
+            return runner.getAbsolutePath()
         } else {
             def versionName = sh (
               script: 'grep "\\$branch" moodle/version.php | sed "s/^[^\']*\'\\([^\']*\\).*\$/\\1/"',
@@ -93,7 +93,7 @@ class Task {
               runner = new File("${script.env.HOME}/scripts/runner/master/run.sh")
             }
 
-            return runner.getName()
+            return runner.getAbsolutePath()
         }
 
         throw new Exception("Unable to determine path to script runner.")