CONNT-34: Implemented base functional test class:

- Added helper class to be used as common ancestor for all functional
tests.
- Added missing headers.
- Updated hgignore file to exclude the geckodriver.log.

CONNT-34: Updated development environment set-up for functional test runs:

- Added instructions for downloading and unpacking Mozilla Firefox and
geckodriver.
- Updated development and testing requirements files.

CONNT-34: Updated implementation for active_link Django template tag:

- Added possibility of passing-in the view positional and keyword
arguments.
- Updated inline documentation.
- Implemented tests.

CONNT-34: Rewrote current_url_equals implementation:

- Implemented tests.
- Simplified implementation.
- Added proper support for passing-in arguments to the view being
checked.

CONNT-25: Updated documentation:

- Marked Django 1.11.x as the only supported Django version.
- Updated some copyright notices.
- Updated installation and quick-start instructions for use with new
version of Django.
- Removed unneeded warning about pip version.
- Updated instructions to emphasize that 'crispy_forms' must be
included in list of installed applications.
- Added dedicated section for upgrade instructions. Covered some
general principles and upgrade from 0.3.x to 1.0.x.
- Updated release notes.
- Added information about Graphviz being the external dependency.

CONNT-25: Removed Django admin customisation:

- Removed custom HTML template for Django Admin when adding a new
communication.
- Reimplemented limiting of source/destination to use filtering
information passed-in by default from Django Admin.

CONNT-25: Updated change_list.html admin template:

- Enclose the object-tools-items block content with a permission
check, same as in current version of Django Admin (1.11.x).
- URL generation has _not_ been brought up to date.

CONNT-25: Updating application and project to use Django 1.11.x:

- Bumped Django version in both the development requirements and setup
script to 1.11.x.
- Bumped Django Crispy Forms to version 1.7.0 in both development
requirements and setup script.
- Updated import of URL-related modules to use the new path (previous
one is deprecated).
- Added explicit on_delete = models.CASCADE option to all foreign key
fields (old implicit behaviour will be deprecated in Django 2.0).
- Fixed the custom change_list.html template used in Django Admin to
render without errors.

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-25: Updating application and project to use Django 1.9.x:

- Updated the html_link tag implementation to produce safe output, and
added tests for it.
- Updated URL configuration in both the application and test project
according to deprecation warning.
- Updated views that return customized forms to ensure the form_class
passed in to get_form is optional.
- Bumped Django in both setup script and development requirements to
version 1.9.x.
- Updated test project configuration to match the version produced by
Django 1.9.x admin commands.

CONNT-25: Updating application and project to use Django 1.8.x:

- Switched to using GenericIPAddress instead of IPAddress in models.
- Updated setup script and development requirements to use Django
1.8.x.
- Updated release notes.

CONNT-25: Updating application and project to use Django 1.7.x:

- Updated test project to use the same base template as the fresh
Django project started with Django 1.7.x admin tool.
- Fixed deprecation warnings related to model forms not including
explicit list of fields to be included or excluded.
- Removed all South migrations, replacing them with native Django
migration.
- Updated release notes.
- Bumped Django version in setup script.
- Bumped Django version in requirements files.
- Removed South from both installation and development requirements.

CONNT-25: Updating appliction and project to use Django 1.6.x:

- Fixed tests to denote that ordering is not important in a number of
queryset tests.
- Replaced deprecated parameter name mimetype with content_type in views.
- Updated development requirements and setup script to depend on Django 1.6.x.
- Removed requirement for django-discover-runner, which is now incorporated
into Django itself and works out of the box.
- Updated development requirements to include pytz (needed for USE_TZ = True
setting).

CONNT-32: Fix incorrect version requirement for Django Crispy Forms:

- Implemented test helper for verifying that no exceptions are thrown when
responses are being rendered.
- Updated all tests related to views that render responses to use the new
mixin.
- Updated development requiremnts to use correct version of package.
- Updated setup script ti require lower version of package.

CONNT-31: Fix incorrect version requirement for Django Crispy Forms:

- Implemented test helper for verifying that no exceptions are thrown when
responses are being rendered.
- Updated all tests related to views that render responses to use the new
mixin.
- Updated development requiremnts to use correct version of package.
- Updated setup script ti require lower version of package.

CONNT-29: Implemented initial set of release procedures:

- Replaced versioning on default branch tip to "dev".
- Updated the release notes to include information about changes made
since version 0.2.
- Added initial set of release procedures, covering versioning schema,
instructions on writing release notes, release issue template,
backporting of fixes, releasing new versions.

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.

CONNT-28: Updates to documentation, requirements handling, and minor fixes:

- Fixed syntax error in MANIFEST.in file for recursive-exclude.
- Merged the about section from documentation into the README file.
Documentation now references README file instead of duplicating the
data. Minor formatting and wording fixes were made as well.
- Updated Sphinx configuration to use same string for both release and
version (deduplicate it a bit).
- Added a new, develoment-related, section to the documentation. Describes
how to set-up the development environment, as well as some maintenance
tasks.
- Updated quickstart instructions so they actually work. Switched to
using the pip install from PyPI instead of repository.
- Introduced pip-tools use for the development requirements file.
- Switched to using more fixed requirements in the setup.py.
- Removed test requirements from the setup.py.