Flasgger

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- Suporting for decorating FlasggerViews (to protect with login etc)
- description and summary are now optional
- specs_route fix to be customized `/specs_route` to `/anything`
- enable/disable swagger UI (if you only need specs json)
- attempt to fix 102 allowing `import:` from subfolders

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- template_file argument added to Swagger class

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- HOTFIX: Support views using `decorator` package (80)

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- introduced tests on Travis CI (examples apps as test cases)
- Fix blueprint support (examples/blueprint_example.py)
- Added `prefix_ids = True` for compat with <= 05.14 (see examples/compat.py)
- Added `import: another.yml` to inherit YAML files.
- Fix missing `lib` static folder
- Added support for Flask RESTful (examples/restful.py)
- Added APISpec support (examples/apispec.py)
- Fix error in case of empty MethodViews

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- HOTFIX: added six (missing requirement)

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- Fixed support for MethodViews
- Added swag.definition to class based definitions
- Added support for docs in dispatch_request (for FlaskRESTful compat)
- Upgrades Swagger UI
- Added `uiversion = 3` to support new experimental swagger UI
- Improved `validate` to abort with error so no need for try: validate...
- `validate` does not require `root` argument
- Definitions is no more prefixed with fucntion and http method names
- Dictionary can be used as specs in `swag_from`