Kytos

**************************************
Added
=====
- Added some new blueprints (EP012, EP013 and EP014)
- Now, we have few Entities inside the core (Switch, Interface and Link)
- Each Entity has metadata attribute (a dict)
- Added link attribute to the Interface class
- GenericEntity itself was added in this version also
- Added 'active' and 'enable' flags to GenericEntity (EP013)
- Added 'enable'/'disable' methods to child GenericEntity classes (EP013).
- Define available_tags according to link's interfaces.
- Endpoint ('/ui/all') to display a json with all napps ui components.
- Endpoint ('/ui/<path:filename>') to get file with a specific napp component.
- Now, kytosd is a python module, to make it easy to run with asyncio on the future;
- This pre-release implements EP013 and EP014 as discussed on our last Kytos Dev Meeting.

Changed
=======
- Moved Interface class to interface.py file
- Small refactor of Switch class.

Fixed
=====
- Some bug fixes

*******************************
Changed
=======
- Web User Interface totally updated, with new design and functionality:

- Visual elements reorganized for better experience.
- Better information about switches and interfaces in the network.
- Extending interface functionalities became easier.

***************************************
Added
=====
- `rest` decorator can also be used before `classmethod` or `staticmethod`.
- Remove napp endpoints when a napp is disabled.
- TCP Server OpenFlow known ports.
- Config to allow other personalized protocol names on TCP Server.
- NNI and UNI attributes to Interface class.
- Interfaces to Switch json output.
- Statistics information for switch interfaces.
- Allow cross origin resource sharing (CORS).
- Now supports speed information from OF 1.3 switchs.
- Generate Events for reconnected switches.

Changed
=======
- Dependency installation/update for devs:
`pip install -Ur requirements/dev.txt`. To use cloned kytos repos as
dependencies, reinstall those repos with `pip install -e .` in the end.
- Event name for a new switch. From `kytos/core.switches.new` to
`kytos/core.switch.new`.

Removed
=======
- Flow class from flow module. It was moved to kytos/of_core NApp.

Fixed
=====
- Some bug fixes in tests.
- Several documentation fixes.
- Several bug fixes.
- Rest API prefix changed to "api/<username>/<nappname>".
- Now displays bandwidth values as bytes.
- Remove rest api endpoint when a NApp is disabled.
- Correctly update interface state and manage interfaces for switches.
- Some bug fixes.

***************************************
Added
=====
- ``rest`` decorator for REST API methods. Examples:

- ``rest('flow/<flow_id>')`` (only ``GET`` HTTP method by default);
- ``rest('flows/', methods=['GET', 'POST'])``.

- Guide for developers in documentation.

Changed
=======
- Whole documentation updated.
- API URLs renamed:

- For NApps, the pattern is ``/api/<username>/<napp>/`` + what is defined in ``rest`` decorator;
- Core endpoints starts with ``/api/kytos/core/``. E.g. ``/kytos/config`` changed to ``/api/kytos/core/config``.

- Improved load/unload of NApps.
- Requirements files updated and restructured.
- Yala substitutes Pylama as the main linter checker.

Deprecated
==========
- Method ``register_rest_endpoint`` of ``Controller`` and ``APIServer`` in favor of ``rest`` decorator.

Fixed
=====
- Some bug fixes in tests.
- Several documentation fixes.
- Several bug fixes.

**********************************
Added
=====
- NAppDirListener to manage (load/unload) NApps when they are enabled or
disabled using kytos-utils.

Changed
=======
- Improved connection management.
- Documentation updated and improved.
- Improved setup process.

Fixed
=====
- Some bug fixes.

******************************************
Added
=====
- Endpoint to display kytos configuration ('/kytos/config/').
- Setting to setup Kytos API Port on kytos.conf ('api_port' default to 8181).
- Documentation Blueprints tree.

Changed
=======
- OpenFlow specific code moved to NApps: Kytos now acts as an all-purpose
controller.
- Log manager refactored
- Improvements in the web interface style, layout and usability
- Setup process now requires `pip`
- Kytos documentation now shows a dropdown with each release documentation.

Fixed
=====
- Web interface:
- Fixed memory and CPU usage
- Now Kytos accepts to register different methods [POST, GET, etc] on the same
endpoint.
- Now it's possible to start kytos in debug mode using `kytosd -D`.
- Removed documentation warnings.
- Several bug fixes