Allow users to reset their password if forgotten

[mihaibivol]

Need

In order to log in to ROSEdu people and add activity
As a user
I want to be able to reset my password when I forgot it

Deliverables

A way for users to reset their passwords when they forgot it.

Solution

Use django default reset_password

TODO

• Add reset_password from django.contrib.auth

Howto

• Check change_password.html and urls.py

ETA .5p