This also adds a comment wrt upscaling small images. See
https://github.com/python-pillow/Pillow/blob/bc354d10c2610be10ca27c63fac97b62cd26ee3b/PIL/Image.py#L1800

Add /for-members page



See merge request !78

Add /association page



See merge request !77

Member profile frontend

Closes #76

See merge request !73

Fix photo thumbnail tag usage

`photo` is an instance of the `Photo` object, not an `ImageFieldFile` or the path as a string.

See merge request !80

Fix possible error in production

I was trying the error pages in production and it seems the 'request' key may sometimes be missing. So I suggest we use `get` as a safer way of getting the request.

See merge request !74

Multilingual merchandise and import script



See merge request !76

Remove 2nd 'members' entry in the menu

There were 2. There should be 1.

See merge request !75

Make events multilingual and translate app strings



See merge request !71

Override all registration templates



See merge request !70

Fix style issue on member pages and change ex-members filter

Closes #32

See merge request !72