Add ignore directives to gitignore

My editor will create files representing
unsaved buffers. Ignore them.
Add the new xsrf module from webapp2

The xsrf module isn't yet in the webapp2 on
appengine and it is a well tested and examined
xsrf token tool that can be used with  webapp
handlers built-in to furious.
Merge branch 'patched_master'

Conflicts:
	.gitignore
Fix batcher test to be aware of the id