docs: `HTTP` -> HTTP
docs: ``True``, ``False`` and ``None``
docs: http method names like ``GET`` and ``POST``
docs: :file:`app.py`, :file:`yourapp/templates`
docs: requirements.rst -> requirements.txt
docs: :command:`pip`, :option:`--debug`
docs: ``DEBUG``, ``SERVER_NAME``, ``PATH_INFO``
docs: :file:`/var/www/foo`, ``/static``
docs: ``Flask-Uploads``, ``X-Forwarded-Host``
docs: ``<body>``, ``|safe``
docs: ``with``, ``for``, ``self``
docs: :mimetype:`application/json`
docs: ``.html``, ``.py``
docs: `script` -> ``script``
docs: fix warnings
docs: :exc:`TypeError`
docs: Don't touch markdown files
docs: remove unnecessary colons
docs: ``http://...``
Merge pull request #1240 from defuz/docs-style-fix-2

Docs style fixes: ``FOO`` vs `FOO` (reloaded)