Sizzle: removes qunit and adds .gitignore

diff --git a/src/sizzle b/src/sizzle
index 2dc6fbfc53c01dcccacbdc17cc10766b95ce1bfa..a99f6807bbf41ebd46bb9d044d53a664f371291c 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 2dc6fbfc53c01dcccacbdc17cc10766b95ce1bfa
+Subproject commit a99f6807bbf41ebd46bb9d044d53a664f371291c