Update to CodeMirror (not quite latest due to a recent injection)

Narciso Jaramillo · Narciso Jaramillo · commit 671abc81d32f · 2013-04-02T10:55:22.000-07:00
diff --git a/src/thirdparty/CodeMirror2 b/src/thirdparty/CodeMirror2
@@ -1 +1 @@
-Subproject commit 56def7dbd341a1ccfddf0573a77fe3602c7f8f81
+Subproject commit 6a33096e6021fa5c48abf2867e7b68569168e24a
