Added some more paths to CLEAN
Added some more paths to CLEAN

These are some of the artifacts left behind when working with the
3-1-stable branch.

stanhu/haml,nazar-pc/haml,tangposmarvin/haml,keithpitty/haml,macressler/haml,tangposmarvin/haml,haml/haml,stanhu/haml,sideci-sample/sideci-sample-haml,keithpitty/haml,haml/haml,haml/haml,macressler/haml,dg1dd1ngs/haml,haml/haml,nazar-pc/haml,dg1dd1ngs/haml,amatsuda/haml