Updated password change template (in admin templates) to use current form

<form action="" method="post">

{% if form.old_password.errors %}{{ form.old_password.html_error_list }}{% endif %}

{% if form.old_password.errors %}{{ form.old_password.errors }}{% endif %}

<p class="aligned wide"><label for="id_old_password">{% trans 'Old password:' %}</label>{{ form.old_password }}</p>

{% if form.new_password1.errors %}{{ form.new_password1.html_error_list }}{% endif %}

{% if form.new_password1.errors %}{{ form.new_password1.errors }}{% endif %}

<p class="aligned wide"><label for="id_new_password1">{% trans 'New password:' %}</label>{{ form.new_password1 }}</p>

{% if form.new_password2.errors %}{{ form.new_password2.html_error_list }}{% endif %}

{% if form.new_password2.errors %}{{ form.new_password2.errors }}{% endif %}

<p class="aligned wide"><label for="id_new_password2">{% trans 'Confirm password:' %}</label>{{ form.new_password2 }}</p>

<p><input type="submit" value="{% trans 'Change my password' %}" /></p>