Merge branch 'master' of git://github.com/numbas/editor into images
Merge branch 'master' of git://github.com/numbas/editor into images
after uploading an image, insert it straight away

also, new images go to the top of the resources list instead of the bottom.
Merge branch 'master' of git://github.com/numbas/editor into images
image upload response has type 'text/plain' to appease IE
add MINIFIER_PATH to GLOBAL_SETTINGS

if MINIFIER_PATH is set in settings.GLOBAL_SETTINGS, the Numbas compiler will be run with the switch --minify <MINIFIER_PATH>.
Merge branch 'master' of git://github.com/numbas/editor into images
add MINIFIER_PATH (commented out) to settings.py.dist
Merge branch 'master' of git://github.com/numbas/editor into images
fix "toggle rich text editor" button

`clear: both` didn't work on firefox for unknown reasons. I've put the button inside a div with `text-align: right` so I don't have to use float.
Merge branch 'master' of git://github.com/numbas/editor into images
convert accounts app to south; add user profile model
Update wsgi config
Merge branch 'master' of git://github.com/numbas/editor into images
user profile edit page
Update AUTHENTICATION_BACKENDS with RemoteUser backend
Merge branch 'stable'; commit '66760cfbc00b449'
Merge branch 'master' of git://github.com/numbas/editor into images
question preview/download uses user's language
change password page; link to edit profile page