Dpaste

----------------

Huge release. Full cleanup and update of the entire codebase. Details:

- Requires Python 3.4 and up.
- Dropped support for Django 1.8 to 1.10 due to it's general end of support.
The project will likely work well but it's no longer specifically tested.
- All views are now class based and use the latest generic based views sugar.
- Django 1.11 based templates, forms, views, models, etc.
- Added pipenv support for local development.
- Added AppConfig support to set and maintain settings.
- Added "Rendered Text" lexer with support for rST and Markdown.
- Added Content Security Policy features, with django-csp (this is mainly
required for the "rendered" text feature).
- Removed jQuery dependency, all Javascript is native.
- Removed Bootstrap dependency.
- Removed 'Maximum History' limit setting.
- Removed translations.
- Removed "Suspicious" middleware which was never been used, documented,
and also not functional for a while.
- Fixed issues around leading whitespace in lines.
- Fixed CMD+Enter form submission shortcut in Firefox.

------------------------

- Django 1.11 compatibility. But not Django 2.0 yet.
- Removed "Suspicious" middleware which was never been used, documented,
and also not functional for a while.

-----------------

- (Backwards incompatible) Removal of django-mptt and therefor the removal of a
tree based snippet list, due to performance reasons with large snippet counts.
Snippets still have a 'parent' relation if it's an answer of another snippet,
however this is no longer a Nested Set. The UI is simplified too and the user
can now only compare an answer to it's parent snippet. I believe this is the
major use case anyway.
- (Backwards incompatible) Removal of the "Gist" button feature.
- Fixed broken 404 view handler in Django 1.9+.
- Python 3.6 and Django 1.10 compatibility and tests.

-----------------

- Fixed "Content Type" problem with Django 1.10.
- Development requirements now use a different version scheme to be
compatible with older `pip` versions.

-----------------

- Django 1.10 Support
- R Lexer is enabled by default
- Minor fixes and improvements.

-----------------

- Dropped Django 1.4 and 1.7 support!
- Full Django 1.8 support
- Full Django 1.9 support
- C++ Lexer is enabled by default
- (Backwards incompatible) All API calls must pass the data within a POST
request. It can't mix POST and GET arguments anymore. This was weird behavior
anyway and is likely no issue for any paste plugin out there.