CONNT-25: Updating application and project to use Django 1.10.x:

- Bumped Django version in both development/testing requirements files
and in setup script.
- Synchronised the test project with template for Django 1.10.x.
- Removed unused (deprecated)
django.contrib.auth.middleware.SessionAuthenticationMiddleware
configuration option from the test project.
- Removed unused (deprecated) TEMPLATE_CONTEXT_PROCESSORS
configuration option.
- Updated release notes.

CONNT-28: Renamed test project projtest to testproject:

- Updated Mercurial ignore file for new naming schema.
- Updated documentation.
- Renamed the directory.
- Updated the setup script.
- Updated the project files.