update readme with instructions;

Author: RyanNutt

.gitignore

@@ -1 +1 @@
-nbproject/*
+nbproject/*

filter.php

@@ -1,17 +1,17 @@
-<?php
-
-class filter_gistembed extends moodle_text_filter {
-    
-    public function filter($text, array $options = array()) { 
-        $cnt = preg_match_all('/https?:\/\/gist\.github\.com\/(.*?)\/([a-f0-9]*)/', $text, $matches);
-        if ($cnt) {
-            for ($i=0; $i<$cnt; ++$i) {
-                $script = '<script src="https://gist.github.com/' . $matches[1][$i] . '/' . $matches[2][$i] . '.js"></script>'; 
-                 $text = str_replace($matches[0][$i], $script, $text); 
-            }
-        }
-        return $text; 
-    }
-    
-}
-
+<?php
+
+class filter_gistembed extends moodle_text_filter {
+    
+    public function filter($text, array $options = array()) { 
+        $cnt = preg_match_all('/https?:\/\/gist\.github\.com\/(.*?)\/([a-f0-9]*)/', $text, $matches);
+        if ($cnt) {
+            for ($i=0; $i<$cnt; ++$i) {
+                $script = '<script src="https://gist.github.com/' . $matches[1][$i] . '/' . $matches[2][$i] . '.js"></script>'; 
+                 $text = str_replace($matches[0][$i], $script, $text); 
+            }
+        }
+        return $text; 
+    }
+    
+}
+

lang/en/filter_gistembed.php

@@ -1,3 +1,3 @@
-<?php
-
+<?php
+
 $string['filtername'] = 'Gist Embed';